问答题We can’t walk across the street when the traffic light is red.
问答题
We can’t walk across the street when the traffic light is red.
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– Excuse me. How can I get to the girl’s dorm? –() (A)Is it too far to walk?(B) You’re welcome.(C) Sure. Go down the street and you’ll see it at the first traffic lights.(D) Pardon? I have no idea.
– We like this chair, but we’re wondering if you can give us some discount. –() (A) No, I can’t.(B) No, it is cheap.(C) We only sell at the fixed price.(D) Sorry, I have no idea.
Crime Prevention Initiatives The chances that you will be a victim of violent crime are low. But you can avoid risk in the following ways. AT HOME - You should make sure your house or flat is secure. Always lock the door from the inside at night, but you must keep the key nearby, so that you can use it to get out quickly if there is a fire. - You must never give keys to workmen as they can easily make copies. - If you wake up and hear a burglar, stay quietly in bed. Pretend you are asleep. If you feel more confident, switch on the light and make a lot of noiseeven if you are on your own you should call out loudly to an imaginary companion, so that the burglar thinks you are not alone and runs away. You should have a phone or a mobile in your bedroom to alert the police immediately. - If you come home and think you see signs of a break-in, you shouldn't go in, the burglar may be inside. You should go to a neighbour and call the police. ON THE STREET At night: - Always walk facing the traffic, so that a car cannot pull up behind you. - You mustn't go through parks or woods. - If you think someone is following you, cross the road one or two times. If he or she continues to follow you, go to a pub or other public place. - Always carry your bag close to you, but carry your house keys in your pocket so that you can open the door quickly. If someone attacks you - remember your safety is more important than your property.1). This passage mainly focuses on ().2). If you want to guarantee your safety at home, you should ().3). Based on the passage, if you notice someone following you, it's better for you to ().4). Why should you have a telephone in the bedroom?5). From the passage, we can infer that we might be victims if ().(1).A、how to avoid crimes both at home and in the streetB、 where to stay if you want to be safeC、 what you should do at home if there is a burglaryD、 how to avoid crime at night in the street(2).A、always lock the door and put the key in a secret place far away from the doorB、 never leave the keys with workmen since they can easily make copiesC、 keep silent all the time even if you are on your own when a burglar steals into your houseD、 go in immediately when you suspect someone is breaking into your house(3).A、shout loudlyB、 run quicklyC、 stop, turn around and look at himD、 go to public places(4).A、Because we might use it to alert the burglar.B、 Because it's convenient for us to talk to our friends while lying in bed.C、 Because it's convenient for us to report to the police in case there is a burglary.D、 Because we might use it to make a phone call at midnight.(5).A、we cannot part with the money when being attackedB、 we always walk facing the trafficC、 we don't walk in the empty streetD、 we carry too much cash
BJack is a famous writer now．But he said he was not a good student when he was young．He was often late for class and didn’t like doing his homework． Sometimes he slept in class while the teacher was teaching．He didn't understand much, but he always thought he under-stood everything．．One day the teacher asked the students a question, "When John was ten years old, his brother was twenty． John is fifteen now and how old is his brother?" Jack answered, "That's easy． His brother is twice as old as John, so he is now thirty． "Another time, the teacher in a science class asked, "When it thunders(打雷) , why do we always see the light before we hear the sound? "But, Miss White," said Jack quickly, "can't you ．see our eyes are in front of our ears?"The third time, the teacher in a biology class asked, "Why can fish swim in the water?" "But, Miss White," said Jack quickly, "don't you know fish can-t walk on land?"( )26．Jack was not ________． when he was young．A．strongB．lazyC．cleverD．well
29． When it thunders, we always see the light before we hear the sound．______ It’s becauseA． our eyes are in front of our earsB． our eyes are cleverer than our earsC． our eyes can see but our ears can-tD．light goes faster than sound
30． Why can fish swim in the water? Jack's answer is ________ ．A．fish can't walk on landB． fish can- t swim on landC． fish can-t walk in the waterD．fish has no legs or hands
From the last paragraph we can learn that __A. some pipes have to be re-arranged in winterB. the system can do more than warming up the buildingC. the exchangers will pick up heat from the street surfaceD. less heat may be collected in winter than in summer
—Though I have been drinking, I can drive home safely. —No, I will be the driver.() A、When you drink, you can't drive.B、You walk home.C、You can keep drinking.
—Excuse me, but can you tell me the way to the post office? —_______A、Don’t ask that.B、Go stragiht down this street. Turn left at the first traffic lights. You can’t miss it.C、No, I can’t say that.D、No, you’re driving too fast.
共用题干第三篇Small but WiseOn December 14,NASA blasted a small but mighty telescope into space.The telescope is called WISE and is about as wide around as a trashcan.Don't let its small size fool you:WISE has a powerful digital camera,and it will be taking pictures of some of the wildest objects in the known universe,including asteroids,faint stars,blazing galaxies and giant clouds of dust where planets and stars are born."I'm very excited because we're going to be seeing parts of the universe that we haven't seen be- fore,"said Ned Wright,a scientist who directs the WISE project.Since arriving in space,the WISE telescope has been circling the Earth,held by gravity in a polar orbit (this means it crosses close to the north and south poles with each lap).Its camera is pointed outward,awayfrom the Earth,and WISE will snap a picture of a different part of the sky every 11 minutes.After six months it will have taken pictures across the entire sky.The pictures taken by WISE won't be like everyday digital photographs,however. WISE stands for "Wide-field Infrared Survey Explorer".As its name suggests,the WISE camera takes pictures of features that give off infrared radiation.Radiation is energy that travels as a wave.Visible light,including the familiar spectrum of light that be- comes visible in a rainbow,is an example of radiation.When an ordinary digital camera takes a picture of a tree,for example,it receives the waves of visible light that are reflected off the tree.When these waves enter the camera through the lens,they're processed by the camera,which then puts the image together.Waves of infrared radiation are longer than waves of visible light,so ordinary digital cameras don't see them,and neither do the eyes of human beings.Although invisible to the eye,longer infrared radiation can be detected as warmth by the skin.That's a key idea to why WISE will be able to see things other telescopes can't. Not everything in the universe shows up in visible light.Asteroids,for example, are giant rocks that float through space一but they absorb most of the light that reaches them.They don't reflect light,so they're difficult to see.But they do give off infrared radiation,so an infrared telescope like WISE will be able to produce images of them.During its mission WISE will take pictures of hundreds of thousands of asteroids.Brown dwarfs are another kind of deep-space objects that will show up in WISE's pictures.These ob- jects are "failed" stars一which means they are not massive enough to jump-start the same kind of reactions that power stars such as the sun.Instead,brown dwarfs simply shrink and cool down.They're so dim that they're almost impossible to see with visible light,but in the infrared spectrum they glow.Which of the following statements about asteroids is NOT true? A:The WISE telescope can catch and take pictures of them.B:They do not reflect light that reaches them.C:They float through space giving off visible light.D:They are invisible to ordinary cameras.
共用题干第三篇Small but WiseOn December 14,NASA blasted a small but mighty telescope into space.The telescope is called WISE and is about as wide around as a trashcan.Don't let its small size fool you:WISE has a powerful digital camera,and it will be taking pictures of some of the wildest objects in the known universe,including asteroids,faint stars,blazing galaxies and giant clouds of dust where planets and stars are born."I'm very excited because we're going to be seeing parts of the universe that we haven't seen be- fore,"said Ned Wright,a scientist who directs the WISE project.Since arriving in space,the WISE telescope has been circling the Earth,held by gravity in a polar orbit (this means it crosses close to the north and south poles with each lap).Its camera is pointed outward,awayfrom the Earth,and WISE will snap a picture of a different part of the sky every 11 minutes.After six months it will have taken pictures across the entire sky.The pictures taken by WISE won't be like everyday digital photographs,however. WISE stands for "Wide-field Infrared Survey Explorer".As its name suggests,the WISE camera takes pictures of features that give off infrared radiation.Radiation is energy that travels as a wave.Visible light,including the familiar spectrum of light that be- comes visible in a rainbow,is an example of radiation.When an ordinary digital camera takes a picture of a tree,for example,it receives the waves of visible light that are reflected off the tree.When these waves enter the camera through the lens,they're processed by the camera,which then puts the image together.Waves of infrared radiation are longer than waves of visible light,so ordinary digital cameras don't see them,and neither do the eyes of human beings.Although invisible to the eye,longer infrared radiation can be detected as warmth by the skin.That's a key idea to why WISE will be able to see things other telescopes can't. Not everything in the universe shows up in visible light.Asteroids,for example, are giant rocks that float through space一but they absorb most of the light that reaches them.They don't reflect light,so they're difficult to see.But they do give off infrared radiation,so an infrared telescope like WISE will be able to produce images of them.During its mission WISE will take pictures of hundreds of thousands of asteroids.Brown dwarfs are another kind of deep-space objects that will show up in WISE's pictures.These ob- jects are "failed" stars一which means they are not massive enough to jump-start the same kind of reactions that power stars such as the sun.Instead,brown dwarfs simply shrink and cool down.They're so dim that they're almost impossible to see with visible light,but in the infrared spectrum they glow.It can be inferred from the last paragraph that brown dwarfs__________.A:give off infrared radiationB:are power stars like the sunC:become massive and activeD:are invisible to the WISE telescope
共用题干第三篇Small but WiseOn December 14,NASA blasted a small but mighty telescope into space.The telescope is called WISE and is about as wide around as a trashcan.Don't let its small size fool you:WISE has a powerful digital camera,and it will be taking pictures of some of the wildest objects in the known universe,including asteroids,faint stars,blazing galaxies and giant clouds of dust where planets and stars are born."I'm very excited because we're going to be seeing parts of the universe that we haven't seen be- fore,"said Ned Wright,a scientist who directs the WISE project.Since arriving in space,the WISE telescope has been circling the Earth,held by gravity in a polar orbit (this means it crosses close to the north and south poles with each lap).Its camera is pointed outward,awayfrom the Earth,and WISE will snap a picture of a different part of the sky every 11 minutes.After six months it will have taken pictures across the entire sky.The pictures taken by WISE won't be like everyday digital photographs,however. WISE stands for "Wide-field Infrared Survey Explorer".As its name suggests,the WISE camera takes pictures of features that give off infrared radiation.Radiation is energy that travels as a wave.Visible light,including the familiar spectrum of light that be- comes visible in a rainbow,is an example of radiation.When an ordinary digital camera takes a picture of a tree,for example,it receives the waves of visible light that are reflected off the tree.When these waves enter the camera through the lens,they're processed by the camera,which then puts the image together.Waves of infrared radiation are longer than waves of visible light,so ordinary digital cameras don't see them,and neither do the eyes of human beings.Although invisible to the eye,longer infrared radiation can be detected as warmth by the skin.That's a key idea to why WISE will be able to see things other telescopes can't. Not everything in the universe shows up in visible light.Asteroids,for example, are giant rocks that float through space一but they absorb most of the light that reaches them.They don't reflect light,so they're difficult to see.But they do give off infrared radiation,so an infrared telescope like WISE will be able to produce images of them.During its mission WISE will take pictures of hundreds of thousands of asteroids.Brown dwarfs are another kind of deep-space objects that will show up in WISE's pictures.These ob- jects are "failed" stars一which means they are not massive enough to jump-start the same kind of reactions that power stars such as the sun.Instead,brown dwarfs simply shrink and cool down.They're so dim that they're almost impossible to see with visible light,but in the infrared spectrum they glow.It is true that infrared radiation_________.A:is not detectable to humansB:looks brighter than visible lightC:is visible light reflected off an objectD:has longer waves than those of visible light
共用题干第三篇Small but WiseOn December 14,NASA blasted a small but mighty telescope into space.The telescope is called WISE and is about as wide around as a trashcan.Don't let its small size fool you:WISE has a powerful digital camera,and it will be taking pictures of some of the wildest objects in the known universe,including asteroids,faint stars,blazing galaxies and giant clouds of dust where planets and stars are born."I'm very excited because we're going to be seeing parts of the universe that we haven't seen be- fore,"said Ned Wright,a scientist who directs the WISE project.Since arriving in space,the WISE telescope has been circling the Earth,held by gravity in a polar orbit (this means it crosses close to the north and south poles with each lap).Its camera is pointed outward,awayfrom the Earth,and WISE will snap a picture of a different part of the sky every 11 minutes.After six months it will have taken pictures across the entire sky.The pictures taken by WISE won't be like everyday digital photographs,however. WISE stands for "Wide-field Infrared Survey Explorer".As its name suggests,the WISE camera takes pictures of features that give off infrared radiation.Radiation is energy that travels as a wave.Visible light,including the familiar spectrum of light that be- comes visible in a rainbow,is an example of radiation.When an ordinary digital camera takes a picture of a tree,for example,it receives the waves of visible light that are reflected off the tree.When these waves enter the camera through the lens,they're processed by the camera,which then puts the image together.Waves of infrared radiation are longer than waves of visible light,so ordinary digital cameras don't see them,and neither do the eyes of human beings.Although invisible to the eye,longer infrared radiation can be detected as warmth by the skin.That's a key idea to why WISE will be able to see things other telescopes can't. Not everything in the universe shows up in visible light.Asteroids,for example, are giant rocks that float through space一but they absorb most of the light that reaches them.They don't reflect light,so they're difficult to see.But they do give off infrared radiation,so an infrared telescope like WISE will be able to produce images of them.During its mission WISE will take pictures of hundreds of thousands of asteroids.Brown dwarfs are another kind of deep-space objects that will show up in WISE's pictures.These ob- jects are "failed" stars一which means they are not massive enough to jump-start the same kind of reactions that power stars such as the sun.Instead,brown dwarfs simply shrink and cool down.They're so dim that they're almost impossible to see with visible light,but in the infrared spectrum they glow.The camera on WISE_________.A:is equipped with expensive computersB:produces images of objects giving off infrared radiationC:reflects light visible to the human eyesD:is similar to an ordinary digital camera
Which statement about HTTPS decryption on the WSA is true？（） A、if enabled， all HTTPS traffic must be decryptedB、if WBRS is enabled， it can be used to determine whether the HTTPS traffic is to be decryptedC、decrypted HTTPS traffic is sent unencrypted across the enterprise intranetD、object size can be used to determine whether the HTTPS traffic is to be decrypted
单选题According to the passage, driving can be safe if ______.Ayou are patientByou obey all the traffic rulesCyou don’t cut another car offDyou wait in line at a red light
问答题The mind-success connection is strong, and many obstacles to our success are also mental.Some people rely more on facts, 56 0thers rely more on feelings. There is no right way to be, but we all have the natural ability to“feel”our way successfully 57 an unlighted path.I learned this 58 I was standing on a curb (路边) in a city in Vietnam (越南). My objective, a restaurant where my husband Tom was 59 for me, stood on the 60 side of the street.I was 61 and could smell the food. But it seemed as if the restaurant were miles away.The street was 62 with motor cycles, bicycles, cars, trucks and buses. Rather than 63 the traffic into two lanes, the yellow lane markers apparently served only to 64 that you were on a paved (铺设的) road. People passed, stopped, turned around and crossed center lines.Traffic flowed both ways in the same lane, and more traffic turned onto the street from side ones. Even when the signal light turned red, traffic 65 to flow as drivers entirely 66 the signal, rushing to me from front, back, sides and all angles.I was ready to abandon lunch with Tom when a local gentleman 67 my arm. In English, he kindly said,“Crossing the street is not a problem, 68 a dance. With that we stepped 69 the curb and into the chaos(混乱). My heart 70 faster as we walked slowly across. 71 greeting us with sharp horns and angry shouts, drivers saw and adjusted to us. As long as we made no sudden 72 , we were fine. I felt as if we were gracefully swimming 73 a school of fish. The traffic flowed smoothly around us, in all directions. 74 I knew it, we were across.Learning to dance through the chaos of traffic is just 75 your feelings. It's a combination of intention, timing and trust.56Aas B while C where D when57A alone B with C beside D under58A where B what C when D which59A waiting B looking C expecting D seeing60A opposed B nearby C different D opposite61A earnest B hungry C splendid D worried62A grouped B pressed C crowded D provided63A dividing B combining C cutting D joining64A strengthen B conclude C indicate D express65A responded B transformed C recovered D continued66A respected B ignored C remembered D misunderstood67A hit B led C took D struck68A besides B but C rather D except69A off B on C with D for70A beat B moved C leapt D jumped71A Regardless of B In spite of C For lack of D Instead of72A recognitions B suspicions C movements D enjoyments73A under B through C above D between74A Although B After C Where D Before75A following B considering C astonishing D appreciating
单选题Which statement about HTTPS decryption on the WSA is true？（）Aif enabled， all HTTPS traffic must be decryptedBif WBRS is enabled， it can be used to determine whether the HTTPS traffic is to be decryptedCdecrypted HTTPS traffic is sent unencrypted across the enterprise intranetDobject size can be used to determine whether the HTTPS traffic is to be decrypted
单选题Under what circumstance can we tell an accident is probably caused by sleepiness?AIf traffic is light and vehicles are well-spaced on the road.BWhen there is only one car involved in the accident.CIf there is no skid marks or other signs of braking on the road.DAll of the above.
单选题We wouldn’t have missed the train if we ______ to the station.Adidn’t walk Bwouldn’t run Chadn’t walked Dweren’t running
单选题—Dad, must we wait until the light becomes green?—Yes, I’m afraid we ______. That’s the traffic rule.AcanBmayChave toDneed
单选题When you walk in a busy street, you should walk on the side _____.Awhere the wind is comingBwhere the wind is goingCwhere the wind is weakerDwhere the wind is stronger
单选题When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.Athe intensity of the lightBchecking the period and characteristics against the Light ListCthe color，because the buoy will have only a red or a green lightDAny of the above can be used to identify the light
问答题Practice 8 A report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as exposure to the radiation from the 1986 Ukraine nuclear power plant disaster. The report was published by the UK’s Royal Commission on Environmental Pollution. But what can city people do to reduce exposure to air pollution? Quite a lot, it turns out. Avoid walking in busy streets. Choose side streets and parks instead. Pollution levels can fall a considerable amount just by moving a few meters away from the main pollution source—exhaust fumes (废气) . Also don’t walk behind smokers. Walk on the windward (顶风的) side of the street where exposure to pollutants (污染物) can be 50 percent less than on the downwind (顺风的) side. Sitting on the driver’s side of a bus can increase your exposure by 10%, compared with sitting on the side nearest the pavement. Sitting upstairs on a double-decker (双层电车) can reduce exposure. It is difficult to say whether traveling on an underground train is better or worse than taking the bus. Air pollution on underground trains tend to be less toxic (有毒的) than that at street level, coz underground pollution is mostly make up of tiny iron particles (粒子) thrown up by wheels hitting the rails. But diesel (柴油机) and petrol fumes have a mixture of pollutants. when you are crossing a road, stand well back from the curb (路缘) while you wait for the light to change. Every meter really does count when you are close to traffic. As the traffic begins to move, fumes can be reduced in just a few seconds. So holding your breath for just a moment can make a difference, even though it might sound silly. There are large sudden pollution increases during rush hours. Pollution levels fall during nighttime. The time of year also makes a big difference. Pollution levels tend to be at their lowest during spring and autumn when winds are freshest. Extreme cold or hot weather has a trapping effect and tends to cause a build-up of pollutants.