单选题The grain output of our country has _____ that before 1949.Athree timesBtripledCtwiceDthird of
单选题
The grain output of our country has _____ that before 1949.
A
three times
B
tripled
C
twice
D
third of
参考解析
解析：
句意：我国的粮食产量是1949年以前的三倍。triple为动词表示“使，成为三倍”。此处空格处应填谓语动词的形式，因此B为正确答案。three times表示“三倍”。twice表示“两倍”，均不是动词，不能构成句子的谓语部分。third of表达错误。
句意：我国的粮食产量是1949年以前的三倍。triple为动词表示“使，成为三倍”。此处空格处应填谓语动词的形式，因此B为正确答案。three times表示“三倍”。twice表示“两倍”，均不是动词，不能构成句子的谓语部分。third of表达错误。
相关考题：
Tax,______ can be used in public services, is very important to our country. A.whichB.thatC.what
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
The population of Jiangsu __ to more than twice what it was in 1949. The figure is now approaching 74 million.A． has grownB． have grownC． grewD． are growing
3 The Global Hotel Group (GHG) operates hotels in most of the developed countries throughout the world. The directorsof GHG are committed to a policy of achieving ‘growth’ in terms of geographical coverage and are now consideringbuilding and operating another hotel in Tomorrowland. Tomorrowland is a developing country which is situated 3,000kilometres from the country in which GHG’s nearest hotel is located.The managing director of GHG recently attended a seminar on ‘the use of strategic and economic information inplanning organisational performance’.He has called a board meeting to discuss the strategic and economic factors which should be considered before adecision is made to build the hotel in Tomorrowland.Required:(a) Discuss the strategic and economic factors which should be considered before a decision is made to buildthe hotel. (14 marks)
The grain output is ______this year than that of last year.A. higher 5 percentB. 5 percent more higherC. more 5 percent higherD. 5 percent higher
Given:Which two are true? () A.The output is mm.B.The output is mc.C.Component is-a Meter.D.Component has-a Meter.E.DeluxeThingy is-a Component.F.DeluxeThingy has-a Component.
Output is data that has been processed into useful form. called(27). That is a computer processes input into output.A．dataB．informationC．interfaceD．system
According to the advice of the surveyor from the Commodity Inspection and Testing Bureau，the cargo holds of my vessel must undergo ______ measures before loading grain goods．A.free from insectsB.clearC.cleanD.sanitary
______ is announced in the papers, our country has launched a large scale movement against smuggling and fraudulent activities in foreign currency exchange deals.A.WhatB.AsC.WhichD.That
Since the Great Depression,the United States government has protected farmers from damaging crops in grain pnces.A:slight B:surpnsingC:sudden D:harming
根据下面资料，回答Everyone agrees that innovation is the key to solving the many challenges we face as a country from health care to education to the environment, and is fundamental to restoring economic growth and prosperity. But I would put it a slightly different way. We must find a way to rebuild the "innovation infrastructure" in this country. The problem is not that Americans aren′t as inherently innovative as ever we are. And the level of interest among Americans in the process of innovation--determining the best recipes to make it happen--has been skyrocketing over the past few years. For example, the number of times the word "innovation" appeared in Google news stores has increased by approximately five from Obama′s inauguration to today. Google the term "innovation" and you′ 11 get 342 million hits, approximately half the 676 million hits that "Obama" generates. And according to hash tags org, innovation is trending about the same rate as deficit. Our problem is that the system is failing our citizens. The "seed corn" of innovation-creative ideas ... fundamental rate it was before. Viable "seed corn" requires an innovation infrastructure in which bright minds are provided the resources and freedom to create and invent according to their passions and curiosities, to take bold risks, and even to fail. Such an innovation infrastructure thrived in the U.S. in the late 20th century as a collaboration that put Americans on the moon, and to the personal computer, the Internet, and the era of genomic medicine. Americans are ready and willing to embrace the goal of once again leading the world in innovation. This could be the moon shot for the next decade that unifies our country. However, we are at a tremendous disadvantage unless the innovation infrastructure of this country is rebuilt. This requires a new collaboration among government, industry and academia-one that is suited to the challenges and opportunities of the digital age, and that restores the bold risk taking and action orientation of earlier times. According to the author, innovation in American has____________.A.gone completely lost nowadaysB.been weakened graduallyC.been taken back in Obama' s dayD.come to a turning point
The vacuum tube,invented near the beginning of our century,gave us the use of radio waves,an energy source never before（ ）,and later opened the road for television.A.was capturedB.capturedC.capturingD.has been captured
Compared with last year, the output of the factory this year has increased（）20%.AwithBatCforDby
What will be the population of our country by the end of（）Atwentyone centuryBthe twentyone centuryCthe twentyfirst centuryDtwentyfirst century
我们的重吊杆已经长时间不用了。（）A、Our derrick has been out of use for a long time.B、Our heavy derrick has been out of use for a long time.C、Our crane has been out of use for a long time.D、Our winch has been out of use for a long time.
单选题A large population in an underdeveloped country may lead to ______.Aa rise in work efficiencyBa shortage of farm workersCa decline in grain productionDa reduction in average income
单选题Never before ______ so many people in our country been interested in athletic sports.AhasBisChaveDare
单选题A: I’m not at all satisfied with the service B: ______ANobody has complained like that before.BI sincerely apologize for that.CI wonder why you are dissatisfied with it.DIt’s not our fault as there are too many customers.