The successful launch of Tiangong1 symbolizes a further step for China to join
题型:不详难度:来源:
The successful launch of Tiangong1 symbolizes a further step for China to join in the________of space stations previously mastered by Russia and the US.A.invention | B.production | C.operation | D.preparation |
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答案
C |
解析
考查名词辨析。句意:“天宫1号”的成功发射使中国向空间站的运作更近了一步,空间站技术先前只有俄罗斯和美国掌握。operation“运行,操作”,符合语意。 |
举一反三
Have you thought about the problem from every________?You can never be too careful!A.angle | B.range | C.level | D.individual |
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Sara enjoys amusing her friends by________stories.A.keeping up | B.making up | C.putting up | D.taking up |
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—We________gas.I"m afraid we can"t go much further. —I know there"s a gas station ahead.Sure it will last us until we get there.A.are running out | B.have run out | C.are running out of | D.have run out of |
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Everybody needs calcium, but it is quite possible for a similar person to be totally healthy by eating only________.A.as half much | B.as much half | C.half as much as | D.half as much |
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Learn some relaxation exercises and do them every time you feel________.A.embarrassed | B.stressed | C.ashamed | D.impressed |
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