Question

[即學(xué)即練]用括號內(nèi)動(dòng)詞的正確形式完 成下面短文。

           Space Station Unity 1. (complete) within the next decade,and international teams of astronauts will then be sharing quarters for long periods of time. What can 2. (do) to improve living conditions in space? Here's what former astronauts suggest:

           Food 

           It doesn’t taste as good in zero gravity. Food should be made spicier in order for those effects 3. (overcome) . International tastes must also 4. (consider) .

           Clothing 

           Layered clothing could help astronauts stay comfortable. The top layer should be designed 5. (remove) or added as temperatures vary.

           Sleeping 

           Because of weightlessness,sometimes sleep 6.  (disturb) in space. Comfortable restraints must be provided to give a sense of stability.

           Emotional Needs 

           People need “down time” in space just as they do on Earth. Time ought to 7. (provide) for relaxation and privacy.

Answer 1

[即學(xué)即練]1. will be completed   2. be done  3. to be overcome   

4. be considered  5. to be removed   6. is disturbed   7. be provided