We can infer from the passage that the water table lies .A. between the topsoil layer and the subsoil layerB. in the subsoil layer above bedrockC. between the subsoil layer and bedrockD. in the bedrock layer beneath the subsoil
We can infer from the passage that the water table lies .
A. between the topsoil layer and the subsoil layer
B. in the subsoil layer above bedrock
C. between the subsoil layer and bedrock
D. in the bedrock layer beneath the subsoil
相关考题：
We can infer from the passage that____________．A．abstract thinking does not come from physical experiencesB．feelings of warmth and coldness are studied worldwideC．physical temperature affects how we see othersD．capable person are often cold to others
根据文章，回答 67～70 问题DHave you ever noticed the colour of the water in a river or stream after a heavy rainfall? What do you think caused this change in colour? It is soil that has been washed into the river from the riverbank or from t}le nearby fields．Components of SoftSoil is made up of a number of layers(层)，each having its own distinctive colour and texture．The upper layer is known as the litter．It acts like a blanket．limiting temperature changes and reducing water loss．The topsoil layer is made up of small particles of rock mixed with rotten plant and animal matter called humus(腐殖质)，which is black and gives the topsoil its dark colour．This layer is usually rich in nutrients，oxygen，and water．Below the topsoil is the subsoil，a layer that contains more stones mixed with only small amounts of organic matter．This layer is lighter in colour because of the lack of humus．Beneath the soil lies a layer of bedrock．Soil forms from the bottom up．Over time bedrock is attacked by rain, wind，frost, and snow．It is gradually broken down into smaller particles in a process called weathering．Plants begin to grow，and rotten materials enrich the topsoil．Most of the soil in Eastern Canada．for example．Was formed from weathered rock that was exposed when the ice disappeared l2．000 years ag0．Water Beneath the SoilSurface water collects and flows above the ground in lakes．ponds．and rivers．Once in the soil or rock，it is called groundwater．Gravity pulls groundwater through the soil in a process called percolation(渗透)．Eventually the water reaches a layer called the water table．Under this is bedrock through which water cannot percolate．As water percolates downward，it dissolves organic matter and minerals from the soil and carries them to deeper layers．This causes a serious problem because plants require these nutrients for growth.Soil pHSoil can be acidic．neutral．or basic．The pH of the soil is determined by the nature of the rock．from which it was formed．and by the nature of t}le plants that grow and rot in it．The acidity of rain and snow can lower the pH of the groundwater that enters the soil．By burning fossil fuels such as coal，oil and gasoline，humans have been contributing to higher levels of acidity in many soils．When fossil fuels are burned．gases are released into the air and then fall back to earth as acid rain．Acid soil increases出e problem of carrying nutrients to lower soil levels．As nutrients are removed，soil is less fertile．Plants grow more slowly in acidic soil，and also become easily attacked by diseases．第12题：The layer of soil that provides necessary nutrients for plant growth is called．A．1itterB．topsoilC．humusD．subsoil
We can infer from this passage that______.A. people cannot sent visible information until 19th centuryB. we cannot communicate without soundC. the ways of communication are similar in different countriesD. in ancient time, enough people is necessary to send messages over distance
We can infer from the passage that the water table lies ( ) ．A．between the topsoil layer and the subsoil layerB．in the subsoil layer above bedrockC．between the subsoil layer and bedrockD．in the bedrock layer beneath the subsoil
From the passage we can infer that ______.A. Eaton invented the idea of the internet shoppingB. Eaton drove other businessmen to failureC. Eaton never sold his goods on creditD. Eaton was defeated by his rivals
From the passage, we can infer that "popular" words are ______.A. essential to daily lifeB. not regular in usageC. convenient to useD. not*standard enough to be used
We can infer from the passage that______.A) performance is a better judge of ability than a college degreeB) experience is the best teacherC) past work histories influence personnel officers more than degrees doD) a degree from a famous school enables an applicant to gain advantage over others in job competition
What can we infer from the passage?A) Human can be totally replaced by machines in agriculture.B) We cannot see mechanization in Africa,C) As long as adaptations been made, mechanization will be used in agriculture in tropical area.D) The number of farmers who run a farm in America is less then thai of the farmer who run a farm of under developed countries.
Networks can be interconnected by different devices. In the physical layer, networks can be connected by(66)or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept(67), examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have(68)network layer, the router may be able to translate between the packet formats. In the transport layer we fmd transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message(69). As an example, gateways between Internet e-mail and X.400 e-mail must(70)the e-mail message and change various header fields.A．repeatersB．relaysC．connectorsD．modems
We can infer from the passage that in England （ ）A． many plays are not for young peopleB． many young people don’t like theatreC． people know little about the planD． children used to receive good arts education
We can infer from the passage that （ ）A． abstract thinking does not come from physical experiencesB． feelings of warmth and coldness are studied worldwideC． physical temperature affects how we see othersD． capable persons are often cold to others
DHave you ever noticed the colour of the water in a river or stream after a heavy rainfall? What do you think caused this change in colour? It is soil that has been washed into the river from the riverbank or from t}le nearby fields.Components of SoilSoil is made up of a number of layers（层），each having its own distinctive colour and texture. The upper layer is known as the litter. It acts like a blanket. limiting temperature changes and reducing water loss. The topsoil layer is made up of small particles of rock mixed with rotten plant and animal matter called humus（腐殖质），which is black and gives the topsoil its dark colour. This layer is usually rich in nutrients，oxygen，and water. Below the topsoil is the subsoil，a layer that contains more stones mixed with only small amounts of organic matter. This layer is lighter in colour because of the lack of humus. Beneath the soil lies a layer of bedrock.Soil forms from the bottom up. Over time bedrock is attacked by rain, wind，frost, and snow. It is gradually broken down into smaller particles in a process called weathering. Plants begin to grow，and rotten materials enrich the topsoil. Most of the soil in Eastern Canada. for example. Was formed from weathered rock that was exposed when the ice disappeared l2,000 years ago.Water Beneath the SoilSurface water collects and flows above the ground in lakes. ponds. and rivers. Once in the soil or rock，it is called groundwater. Gravity pulls groundwater through the soil in a process called percolation（渗透）. Eventually the water reaches a layer called the water table. Under this is bedrock through which water cannot percolate.As water percolates downward，it dissolves organic matter and minerals from the soil and carries them to deeper layers. This causes a serious problem because plants require these nutrients for growth.Soil pHSoil can be acidic. neutral. or basic. The pH of the soil is determined by the nature of the rockfrom which it was formed. and by the nature of the plants that grow and rot in it.The acidity of rain and snow can lower the pH of the groundwater that enters the soil. By burning fossil fuels such as coal，oil and gasoline，humans have been contributing to higher levels of acidity in many soils. When fossil fuels are burned. gases are released into the air and then fall back to earth as acid rain. Acid soil increases出e problem of carrying nutrients to lower soil levels. As nutrients are removed，soil is less fertile. Plants grow more slowly in acidic soil，and also become easily attacked by diseases.67. The layer of soil that provides necessary nutrients for plant growth is called.A. 1itter B. topsoil C. humus D. subsoil
We can infer from the passage that the author ______________.A. enjoyed grown-up tricks very muchB. 1oved poster competitions very muchC. felt surprised to win the competitionD. became wise and rich after the competition
.What can we infer from the last sentence of the text?A. Happiness comes from peaceful life in the country.B. Health is more important than money.C. The harmony between man and nature is important.D. Good old days will never be forgotten.
We can infer from the passage that _______.A there is little distinction between specialisation and professionalisationB amateurs can compete with professionals in some areas of scienceC professionals tend to welcome amateurs into the scientific communityD amateurs have national academic societies but no local ones
From the passage we can infer that the story happened in______.A. springB. summerC. autumnD. winter
We can infer from the passage that______.A. the write want his children to be very richB. life in the dirty street is not shamefulC. the writer believes money means happinessD. a good person may not necessarily be rich
单选题From the passage we can infer that real happiness of life belongs to those _____.Awho are at the bottom of the societyBwho are higher up in their social statusCwho prove better than their fellow-competitorsDwho could keep far away from this competitive world
单选题From the passage we can infer that the passage is probably selected from______.Aa speech to business leadersBa speech of a manager to his staffCan article in a popular magazineDa movie
单选题We can infer from this passage that the new technology _____.Amay not guarantee people a daughter or a son as they desireBis used by most families for non-medical reasonsChas brought an insoluble ethical dilemma for mankindDwill lead to a larger proportion of females in the population
单选题From the passage, we can infer that the job of advertising is becoming ______Aeasier.Btougher.Cmore popular.Dwell esteemed.
单选题We can infer from the passage_______.Athe ice can easily just slip into the oceanBvolcanoes caused the ice to meltCmelting just in the Northern hemisphere would have been impossibleDresearchers often use the computer models help their research work
单选题We can infer from the passage that quakes ______.Amay happen anywhere at any timeBmostly strike in oceans and mountainsCare unobservable in masses of landDare hardly the direct cause of fatalities
单选题We can infer from the passage that ______.Aall technological changes are goodBall technologies will eventually replace old onesCnew technologies will eventually replace old onesDtraditional newspapers are here to stay for another century
单选题From the passage, we can infer (推断) ______.AAnne was born in GermanyBAnne was a JewCAnne’s father collected the diariesDAnne was a Nazi