题目内容

【题目】It was not until I came here __________ I realized this place was famous for not only its beauty but also its weather.

A. who

B. that

C. where

D. before

【答案】B

【解析】句意:直到来到这里我才意识到这里之所以出名不仅是因为它的美丽还因为它的天气。考查强调句。根据it was not until. . . that. . . (直到…………),可知选B项。

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【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 cant 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 cant 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 suns 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?

AIf there is greenhouse effect,all the plants will die.

BHuman beings are likely to disappear from the earth.

CCrops cant take the heat if there is greenhouse effect.

DAlthough greenhouse effect is necessary,too much of it causes us to die.

【题目】【改编】Moms birthday present? It may be a difficult thing for some people, but for me, it is an easy thing. Mom loved flowers, so every year I sent her flowers. Actually she had a bed of irises(鸢尾花)in the backyard of her small, Indiana farm. They were beautiful. Take some, she said, Dig some up and plant them on the side of your own house.

But in my yard they became lacking in energy. A year passed, then two, but not one flower appeared. I cut back all their green leaves. I was tired of seeing them so lonely. Finally, I dug the irises up and threw them away.

About that time Mom died unexpectedly. My sister and I sold the farm. I never went back to see the irises. I just couldnt bear seeing another family living in our homeMoms home. Autumn came, then winter. The following spring, as Moms birthday approached, I struggled with the question of how to remember her. I stared out the window and saw a few stubborn irises in my side yard sprouting (发芽), tall, thin but flowerless. Because of seeing them, I decided to order flowers as I always did on Moms birthday, and send them to my sister. I wished so badly I could still send flowers to Mom. But that was impossible.

In the morning of Moms birthday, I was in my car ready to work. Something in the yard caught my eye. The irises! One had bloomed with flowers, big, showy and purple, as lovely as they ever had been on Moms farm. I smiled and turned my eyes upward. I could no longer send flowers to Mom. But somehow, shed been able to send them to me.

【1】From the first paragraph we know________.

A. the writer doesnt know what to buy for her mother on her birthday

B. some people have difficulty choosing birthday gift for their mother

C. Mother lived with the writer on the farm

D. Mother doesnt like flowers including irises

【2】What happened to the irises that the author grew?

A. They only grew green flowers.

B. They grew as well as those on her mothers farm.

C. They were thrown away at last.

D. They ended up with beautiful flowers.

【3】Why didnt the writer return to the farm after her mother died?

A. Because she was too busy to go there.

B. Because her sister told her not to.

C. Because she lived far away from the farm.

D. Because she couldnt stand the fact that her mother was no longer there.

【4】From the third paragraph we can know _____.

A. not all the irises were dug out

B. the writer returned to her mothers farm

C. the writer often sends flowers to his sister

D. the writer buys flowers in memory of his mother every year

【5】What is the writers purpose to write this passage?

A. To introduce a kind of irises.

B. To memorize her mother.

C. To explain how to grow irises.

D. To praise the spirit of irises.

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