【题目】—Thank God you're safe ！
—I stepped back Just __________ to avoid the racing car.
A. in time
B. in case
C. in need
D. in vain
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学练快车道口算心算速算天天练系列答案科目：高中英语 来源： 题型：
【题目】This question is rather __________ for a child of only five years old. That's to say, you should ask a simpler one.
A. complex
B. important
C. unusual
D. unbelievable
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科目：高中英语 来源： 题型：
【题目】— If I were you, I’d take a bus to work. Taking a taxi is really expensive.
— But today I got up too late.
A. That’s the problem.
B. You don’t understand.
C. Not very.
D. Thank you for the advice.
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科目：高中英语 来源： 题型：
【题目】This course of study________to help those________to go abroad is popular with young people.
A．designing；wishing B．designed；wished
C．designing；wished D．designed；wishing
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科目：高中英语 来源： 题型：
【题目】We________that they have given us the chance to go abroad.
A．find this unbelievable B．find it unbelievable
C．find it unbelievably D．found that unbelievable
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科目：高中英语 来源： 题型：
【题目】Global warming is when the earth heats up，the temperature rises.It happens when greenhouse gases—carbon dioxide，water vapor，nitrous oxide (二氧化氮)，and methane (沼气) trap heat and light from the sun in the earth’s atmosphere，which increases the temperature.This is like when heat is trapped in a car.On a very hot day，the car gets hotter when it is out in the parking lot.This is because the heat and light from the sun can get into the car，by going through the windows，but it can’t get back out.Once the light is inside the car，it is trapped and the heat builds up，just like it does in the earth’s atmosphere.This is what the greenhouse effect does to the earth.The heat and light can get through the atmosphere，but it can’t get out.As a result，the temperature rises.
Sometimes the temperature can change in a way that helps us.The greenhouse effect makes the earth appropriate for people to live on.Without it，the earth would be freezing，or on the other hand it would be burning hot.We would not get the sun’s heat and light to make the night somewhat warm.During the day，especially during the summer，it would be burning because the sun would be up with no atmosphere to filter (过滤) it，so people，plants，and animals would be exposed to all the light and heat.
Although the greenhouse effect makes the earth able to have people living on it，if there gets to be too many gases，the earth can get unusually warmer，and many plants，animals，and people will die.They would die because there would be less food (plants like corn，wheat，and other vegetables and fruits)．This would happen because the plants would not be able to take in the heat.This would cause us to have less food to eat，but it would also limit the food that animals have.Gradually，people，plants，and animals would all die of hunger.
People are doing many things to try to stop global warming.One thing people are doing is carpooling.Carpooling is driving with someone to a place that you are both going to.This minimizes the amount of greenhouse gases put into the air by a car.
Another thing that people are doing is being more careful about leaving things turned on like the television，computer，and the lights.A lot of people are taking time away from the television，and instead，they are spending more time outdoors.This helps our planet out a lot.Now，more people are even riding buses，walking to school，and riding their bikes to lower the amount of greenhouse gases in the air.
Planting trees and recycling also help.If you recycle，less trash goes to the dump，and less trash gets burned.As a result，there are fewer greenhouse gasses in our atmosphere.Although adults do many things to help stop global warming，kids can do just as much.
【1】The underlined word “it” in Paragraph 2 refers to________．
A．light
B．heat
C．temperature
D．greeenhouse effect
【2】By the example given in Paragraph 1，the author wants to________．
A．explain how greenhouse gases work
B．show his feeling in a car in hot summer
C．tell us cars are causes of greenhouse gases
D．say that there are greenhouse gases in every car
【3】What is theeffect of atmosphere?
A．It only traps the heat of the sun.
B．It works the same way as greenhouse gases.
C．It makes the earth neither too hot nor too cold.
D．It prevents all the light from the sun shining on the earth.
【4】What is the main idea of the third paragraph?
A．If there is greenhouse effect，all the plants will die.
B．Human beings are likely to disappear from the earth.
C．Crops can’t take the heat if there is greenhouse effect.
D．Although greenhouse effect is necessary，too much of it causes us to die.
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科目：高中英语 来源： 题型：
【题目】War，money and power are a few things that countries and people are concerned about.____I agree that those things are important，I believe that everyone should start to____more on a growing problem—global warming.
Global warming will not only____our country and our generation，but also the entire____and future generations.It is____because the weather has been a lot warmer over the past few years，which____the melting (融化) of the ice in the Antarctic.This will soon cause water levels to____and flood parts of the world.
Many people ignore this problem because they feel____they can’t do anything about it and have more____things to worry about.If we all____so，then our ozone layer (臭氧层) will be____and the planet will no longer be able to make life continue to exist.We should do our best to limit the use of our planet’ s____resources (资源) and keep our air clean.____， future generations will suffer from our ____．
Some might feel that they can’t stop global warming from____．But if every single person does his or her part in keeping the air clean，then it will become a____effort.Sure，there are some things that cause pollution and that we won’ t be able to____change.This may include cars burning oil，but we can____adjust some of these things.People can start carpooling，taking the bus，riding their bikes，or____ just walking.
If everyone takes____ now，I believe we can start seeing remarkable results within a few years.
【1】A.When B．As C．How D．Though
【2】A.depend B．focus C．hang D．remark
【3】A.annoy B．interrupt C．affect D．confuse
【4】A.world B．continent C．industry D．climate
【5】A.failing B．completing
【6】A.lies in B．results in C．suffers from D．escapes from
【7】A.reduce B．rise C．drop D．move
【8】A.as if B．in case C．even though D．if only
【9】A.popular B．suitable C．important D．difficult
【10】A.do B．keep C．like D．find
【11】A.protected B．strengthened C．destroyed D．surrounded
【12】A.unlimited B．natural C．recycled D．industrial
【13】A.Therefore B．Otherwise C．However D．Instead
【14】A.illnesses B．failures C．decisions D．mistakes
【15】A.continuing B．arriving C．improving D．disappearing
【16】A.physical B．mental C．national D．worldwide
【17】A.slightly B．fully C．hardly D．slowly
【18】A.at least B．at most C．at first D．at last
【19】A.yet B．even C．still D．thus
【20】A.time B．turns C．action D．arms
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科目：高中英语 来源： 题型：
【题目】One Friday, we were packing to leave for a weekend away __________ my daughter heard cries for help.
A. after
B. while
C. since
D. when
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科目：高中英语 来源： 题型：
【题目】At school, some students are active __________ some are shy, yet they can be good friends with one another.
A. while
B. although
C. so
D. as
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