七年级下册下英语单元测试卷54上海无听力Unit

Unit5 What can we learn from others 单元测试

一、单项选择(共12分)

1．When a typhoon comes, we ________ close all the windows.

A．may B．should C．may not D．should not

2．Kitty looked ________ at her kite. It’s so nice.

A．happy B．happily C．sad D．sadly

3．James became ________ after he went to the party last week.

A．gently B．well C．politely D．famous

4．I have tried on three T-shirts, but ________ of them fits me well.

A．all B．none C．both D．neither

5．I don’t like pudding. I would rather ________ a piece of pizza.

A．have B．to have C．had D．having

6．The boy looked ________ at his broken toy.

A．sad B．happy C．happily D．sadly

7．We ________ be more careful, or we will make the same mistake in the experiment.

A．might B．can C．may D．should

8．The room is ________. Let’s clean it now.

A．dirty B．small C．big D．clean

9．—What is the rule?

—We ________ for class.

A．must on time B．have to on time C．are on time D．must be on time

10．The old man advised him ________ as soon as possible.

A．leave B．leaving C．lelt D．to leave

11．Bob wants to fix up the bikes and ________ to the poor children.

A．give away them B．give them away C．give out them D．give off them

12．The fans were surprised to know the ________ of their favorite singing star Whitney Houston.

A．die B．dying C．dead D．death

二、短文选词填空(共10分)

选词填空（短文选词填空）。

become;   win;   die;   join;   start;   excellent;   professional;   be;   make;   encourage

Li Na was born in Wuhan on February 26, 1982. Her father was a badminton player. Unluckily, he ____13____ from a serious disease when Li Na was 14. At the age of six, Li Na ____14____ playing badminton. She ____15____ China’s National Tennis Team in 1997 and turned to be a ____16____ player in 1999. Li Na is an ____17____ tennis player. She ____18____ in many important games. We ____19____ proud of her. In the past two years, she ____20____ a new idol (偶像) among teenagers in China. Her spirit will ____21____ them to study hard and ____22____ progress.

三、阅读单选(共8分)

There’s much to see under the sea, but you need to remember that light behaves differently in water than in air. The objects appear closer to you than they exactly are. You might find yourself reaching out to touch something and completely missing it.

Objects under water will appear larger than they would on the surface, too. Be careful not to tell any stories about the big fish that got away. That fish might not be so big after all! It’s just because sometimes things can seem to be as much as about 33 percent bigger in water!

What’s more, in deeper water, colors just don’t seem as bright. In fact, it looks as if some colors are missing. Remember the color of an object results from the wavelengths(波长) of light that are reflected(反射) from its surface. And light is taken in as it moves down through the water.

Swimmers wear wet suits to keep warm underwater. Let’s take a bright red, yellow, and blue wet suit as an example. These colors are hard to miss on the surface of water. Watch carefully the changes in color as you descend in the water. The red part now looks almost black because the red light wavelengths, the longest among these three colors, are missing. As you go down deeper, the same thing will happen to the yellow part and in the end to the blue part. Even at a place of about 6 to 9 meters underwater, you will look terrible, like a ghost(鬼怪)! And you have to wait for your return to the surface to enjoy the bright colors again!

23．The example of the wet suit is used to explain the change of ________ of an object underwater.

A．the size B．the color C．the position D．the weight

24．The underlined word “descend” probably means “________” in this passage.

A．Go up B．Float. C．Stop breathing. D．Dive down.

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