问题 填空题

春暖花开的季节里,人们在公园常能闻到宜人的花香气味,这一现象说明 _________ ,为了便于运输和使用,通常把石油气加压变成液态贮存在钢瓶中,这一事实说明 _________ ;结合学过的物理知识解释小林为什么只闻到香味却看不清食品 _________ ;葡萄干的生产过程是将新鲜葡萄挂在如图所示的四壁有孔的暗房中.这个暗房的四壁的孔是为了 _________ 使新鲜葡萄的水分加快蒸发.

答案

分子在不停的运动;分子之间存在间隙;水蒸气冷凝成水滴附着在眼镜片上;通风让空气流动.

阅读理解

阅读短文,选择最佳选项。

      Many British people like to go bird-watching in their free time. That's why there are many English sayings

about birds. Read the following to learn about them.

      He eats like a bird.

      This doesn't mean he eats worms and seeds! A mother might be worried if her son or daughter eats like a

bird. It means that the boy or girl eats very little and is very fussy (挑剔) about food.

      Birds of a feather flock (群集) together.

      You never see a peacock with a crow (孔雀和乌鸦在一起), or a goose with an eagle. These birds are very

different. They like to be with other birds of the same kind. People are like this, too. We always make friends

with people who have things in common with us.

      His chickens have come home to roost (栖息).

      This means that he has problems now because of bad things he did before. If you play computer games and

sleep all afternoon when you should be studying for your exams, you will fail your exam. Then your friends can

say that your chickens have come home to roost.

1. How many English sayings have you learned in the text?[ ]

A. One.

B. Two.

C. Three.

D. Four.

2. From the text, we know that people with the same idea always             .[ ]

A. have things in common

B. become good friends

C. go bird-watching

D. keep different ways

3. Which of the following can best explain the saying "your chickens have come home to roost"? [ ]

A. You are so tired after studying that you need a rest.

B. You are in trouble because you did bad things before.

C. You will fail your exams because they are difficult.

D. You should try your best to study hard from now on.

选择题