It is difficult to cross the desert by car, but not a impossible.
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科目:高中英語(yǔ) 來(lái)源: 題型:
―Could I hand in my composition after class?
―Of course, you _____.
A.might B.will C.can D.should
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科目:高中英語(yǔ) 來(lái)源: 題型:閱讀理解
In the short term, food would have to be brought from Earth. The dream, however, is to grow things in greenhouses on the moon. “You’d grow things in liquid---there’s no reason why that wouldn’t work,” says Pillinger, a professor. This would mean floating plants in a nutrient-rich solution of water. “Soil is not a necessary thing for plants; it’s only to keep them standing upright,” Pillinger adds.
It would take at least a decade of experiments after the base was built before such a plan would work, however. The main problem is working out how to get nutrients from the lunar(月球的) soil. “Getting all that to work requires a minimum level of infrastructure(基礎(chǔ)設(shè)施)present before you can start experimenting with greenhouses,” says Pillinger.
Finding strong plants to grow in space will also be hard, though scientists are already working on it: scientist Amy Grunden of
Water is a somewhat easier prospect(前景). One of the reasons that
41. The passage is mainly about______.
A. life on the moon by 2020
B.
C. food and water on the future moon base
D. housing for settlers on the future moon base
42. How do people plant on the moon in the future?
A. By burying plants in the lunar soil
B. By growing plants in water.
C. By keeping plants standing straight.
D. By making use of the moonlight
43. What difficulty will scientists meet in solving the food problem?
A. How to find water to irrigate plants.
B. Where to experiment with plants.
A. How to grow plants in the moon soil.
D. What plants are suitable to grow in the moon
44. Scientists want to build the base on the moon’s south pole because_______.
A. there is oxygen for people to breathe
B. people have found the frozen water that can be drunk there
C. it is a place where water will possibly be found and supplied
D. there are large pools that can let people have a swim.
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He admits that he has a __________(偏見(jiàn)) against women drivers
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---How did you know about it?
---I heard it ____ the radio.
A. in B. at C. on D. for
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Among them I like this kind of food ______, for it is ______ sugar and water.
A. best, mostly B. best, most C. most, best D. most, mostly
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F____________, a kind and brave peasant passed there and saved the wounded soldier.
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