Astronauts on shorter shuttle missions(使命)often work very long days. Tasks are scheduled so tightly that break times are often used to finish the day's work. This type of schedule is far too demanding for long missions on the International Space Station( ISS). 1SS crewmembers usually live in space for at least a quarter of a year. They work five days on and two days off to mimic the normal way they do things on the Earth as much as possible. Weekends give the crew valuable time to rest and do a few hours of housework. They can communicate with family and friends by email， Internet phone and through private video conferences.

While astronauts cannot go to a baseball game or a movie in orbit,there are many familiar activities that they can still enjoy. Before a mission，the family and friends of each ISS crewmember put together a collection of family photos，messages，videos and reading material for the astronauts to look at when they will be floating 370 kilometers above the Earth. During their mission，the crew also receives care packages with CDs,books, magazines, photos and letters. And as from early 2010, the Internet became available on the ISS,giving astronauts the chance to do some "web surfingf冲浪)"in their personal time. Besides relaxing with these more common entertainments,astronauts can simply enjoy the experience of living in space.

Many astronauts say that one of the most relaxing things to do in space is to look out the window and stare at the universe and the Earth. Both the shuttle and the ISS circle the planet several times each day, and every moment offers a new view of the Earth' s vast land mass and oceans.

(   ) 4. What does the word "mimic" in Paragraph 1 probably mean?

A. Find. B. Copy. C. Change. D. Lose.

(   ) 5. Which of the following best describes the families of the astronauts on the ISS？ A. They are caring and thoughtful. B. They are patient and annoyed. C. They are impatient and annoyed. D. They are excited and curious.

(   ) 6. In the final paragraph,the author shows that astronauts-

A.  get more pleasure in space than on the Earth

B.  find living in space a bit boring and tiring

C.  regard space life as common

D.  love to see the Earth from space

(   ) 7. The passage mainly discusses how astronauts        .

A. work for longer missions in space    B. connect with people on the Earth
C. observe the Earth from space          D. spend their free time in space

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(   ) 1. On the monthly basis of 100 minutes, the Jitterbug weekly rate is about        .

A. $3.75    B. $4.99   C. $14.99     D. $19.99

(   ) 2. An advantage of Jitterbug mentioned in the passage is .

A.   its discount price with a free gift

B.   its reasonable rate plans without a contract

C.   its global-positioning system with 911 access

D.   its good customer service all over the world

(   ) 3. The main purpose of the passage is to        .

A.  tell a customer' s story of Jitterbug

B.  provide two ways to order Jitterbug

C.  give a brief introduction of Jitterbug

D.  attract potential customers to Jitterbug

10. It was not until a week later        . (operate)

直到一周以后这个病人才做手术。

9. It has been confirmed that the accident        the death of 2 passengers was caused by the driver's drunken driving. (result)

已证实导致两名乘客死亡的这起事故是由司机的醉驾造成的。

8. Every time he is late,he        ，which makes him untrustworthy. (make)

他每次迟到都要编一个借口，这使得他不值得信赖。

7.1 developed very slowly and it took nearly two hundred years        as an analytical machine by Charles Babbage. (build)

我发展得非常緩慢，差不多过了 200年我才被查尔斯•巴贝奇制造成一台分析机。

6.               ，Einstein' s theory proved to be correct. (go)

随着岁月的推移，爱因斯坦的理论被证明是正确的。

5. They soon realized that,unless carefully        ， the situation would become even worse. (deal)

很快他们就意识到，如杲不谖慎处理，情况就会变得更糟。

4. So             that no one managed to escape from their collapsing houses. (happen)

地震发生得如此突然，以至于没有人能从倒塌的房屋里逃离出去。

3.        that the road will be closed tomorrow for repairs. (announce)

已经宣布由于维修，道路将于明天封闭。