A．recoverB．revealC．restoreD．respect
A. recover
B. reveal
C. restore
D. respect
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A．forbadeB．relinquishedC．abolishedD．abandoned
A. forbade
B. relinquished
C. abolished
D. abandoned
A．for exampleB．such asC．for instanceD．and
A. for example
B. such as
C. for instance
D. and
对于流水施工而言,流水节拍累加数列错位相减求差数列的最大值为()。
A. 流水节拍
B. 流水步距
C. 流水强度
D. 流水段
The phrase "human weightlessness" most probably refers to ______ .
A. men in a floating state
B. neglect of human's true value
C. no personnel is needed
D. lack of manpower
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