完形填空(共10小题,每小题1分,计10分)

阅读下面短文,掌握其大意,然后从各小题所给的四个选项中选出最佳选项。

Building a house is an operation which costs quite a lot of money.Suppose you plan to

  46   a house,your first step is to find a suitable piece of   47  ,You will probably try to find a sunny place,in a   48   situation,near stores and bus stops,not too far from your friends and the place where you work.

Next you will find an   49   builder.And together with the builder you will make a

  50  ,The builder will draw it.The builder will also   51  the cost of your house.He will estimate(估计)the cost of the wood,the glass,and everything else that he must use in building the house.Later on,when he starts to build,this estimate must   52  ,because the prices may

   53  ,and many other thing may happen between the time when he makes the estimate and the time when he builds the house.

  54   the builder gives you his estimate,you may wish to change your plan.You may find that some of the things you wanted at first cost too much,or that you can  55   a little more and add something to your original plan

1.A.buy B.decorate    C.build  D.find

2.A.floor  B.place    C.land D.playground

3.

A.mysterious          B.surprised      C.pleased          D.pleasant

4.

A.excited             B.experienced    C.interesting      D.extra

5.

A.map                 B.plan           C.decision         D.discussion

6.

A.find out            B.carry on       C.work out         D.work on

7.

A.be corrected        B.be copied      C.be read          D.be written

8.

A.swap                B.change         C.exist            D.influence

9.

A.When                B.While          C.Until            D.Since

10.

A.cost                B.spend          C.take             D.pay for

 

 

If we are driving a car or crossing a street, we will stop when the traffic lights turn red. Why do we use red rather than other colors?

As we know, scattering (散射) happens when light goes through the air. For the same media, if the wavelength (波长) is long, the scattering will be short. If the wavelength is short, then the scattering will be long.

Of all light we can see red has the longest wavelength, so the scattering is the weakest. That means the red light travels far. In fact, it travels farther on rainy days.

Using the red light can help drivers in farther areas see the lights. It helps drivers slow down or stop in time. If drivers don’t see the red light until they are close, they may not be able to stop the car in time. An accident may happen. Red can also excite people. We can act more quickly when we see the color red.

In a word, red light helps drivers stop in time and help prevent accidents.

1.______ has the longest wavelength of all light we can see.

A. Red               B. Green           C. Yellow          D. Black

2.Red light travels farther on ______ days.

A. windy             B. sunny           C. rainy         D. cloudy

3.Red can make people act more quickly because ____________.

A. red can make people happier              B. the scattering of red is very short

C. the scattering of red is very long           D. red can make people more excited

4.The underlined word “prevent” means ______ in Chinese.

    A.逃避               B. 防止            C. 处理         D. 检查

5.The passage mainly tells us ____________.

A. why accidents happen                     B. how the red light travels

C. why we use red traffic lights               D. how to stop in time at traffic lights

 

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