题目内容

From space, the earth looks blue. This is ________ about seventy－one percent of its surface is covered by water.

A．why B．how

C．because D．whether

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相关题目

Studies have shown that the right and left ear sound differently.

A. produce B. pronounce

C. process D. download

—Jim, can you work this Sunday?

—________? I’ve been working for two weeks on end.

A. Why me B. Why not

C. What if D. So what

It was with the help of the local guide ________ the mountain climber was rescued.

A．who B．that

C．when D．how

________ the morning train, he would not have been late for the meeting.

A. Did he catch B. should be catch

C. has he caught D. Had he caught

________ you said at the meeting describes a bright future for the company.

A. When B. How

C. What D. That

Some people believe _______ has happened before or is happening now will repeat itself in the future.

A. whatever B. whenever.

C. wherever D. however

Don't turn off the computer before closing all programs, ________ you could have problems.

A. or B. and

C. but D. so

完形填空

阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。

During the war, my husband was stationed at an army camp in a desert in California. I went to live there in order to be _________ him. I hated the place. I had never _________ been so unhappy. My husband was ordered out on a long-term duty, and I was left in a tiny shack(棚屋) alone. The heat was _________ —almost 125 °F even in the shade of a cactus(仙人掌). _________ a soul to talk to. The wind blew non-stop, and all the food I ate, and the very air I breathed, were _________ with sand, sand, sand!

I was so sorry for myself that I wrote to my parents. I told them I was _________ and coming back home. I said I couldn’t stand it one minute longer. I _________ be in prison! My father answered my_________ with just two lines—two lines that will always sing in my _________ — two lines that completely changed my life:

Two men looked out from prison bars,

One saw the mud, the other saw the stars.

I read those two lines _________ . I was ashamed of myself. I made up my mind I would find out what was good in my present _________ I would look for the stars.

I made friends with the natives, and their _________ amazed me. They gave me presents of their favorite artworks which they had _________ to sell to tourists. I studied the delightful forms of the cactus. I watched for the desert sunsets, and _________ for seashells that had been left there millions of years ago when the desert had been an ocean _________ .

What brought about this _________ change in me? The desert hadn’t changed, _________ I had. I had changed my _________ . And by doing so, I changed an unhappy experience into the most amazing _________ of my life. I was excited by this new world that I had discovered. I had looked out of my self-created prison and _________ the stars.

1.A. offB. behindC. nearD. beyond

2.A. beforeB. alreadyC. thenD. still

3.A. inflexibleB. incomprehensible

C. uncontrollableD. unbearable

4.A. OnlyB. NotC. ManyD. Such

5.A. coveredB. filledC. buriedD. charged

6.A. catching upB. keeping up

C. giving upD. getting up

7.A. ought toB. might wellC. would ratherD. had better

8.A. requestB. callC. questionD. letter

9.A. comparisonB. imaginationC. considerationD. memory

10.A. over and overB. by and by

C. up and downD. now and then

11.A. companyB. occupationC. situationD. relationship

12.A. movementB. reactionC. guidanceD. purpose

13.A. refusedB. failedC. managedD. happened

14.A. askedB. huntedC. waitedD. headed

15.A. floorB. surfaceC. rockD. level

16.A. shockingB. challengingC. puzzlingD. astonishing

17.A. asB. butC. forD. or

18.A. attitudeB. principleC. identityD. standard

19.A. vacationB. operationC. affairD. adventure

20.A. soughtB. countedC. foundD. reached

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