题目内容

37. Sagan may have had his elbow out by __________ as he was trying to balance himself after being hit.

A. instant
B. instinct
C. distinguish
D. distinct

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38. Britain's health experts are pushing for a(n) __________ on all cigarette advertising.

A. encouragement
B. refreshment
C. ban
D. disappearance

39. The headmaster encouraged the candidates for the national math competition to __________ for the best results.

A. strike
B. strive
C. strict
D. stick

40. It was a long __________, and Jack and I both started to get annoyed after about two hours.

A. trek
B. picnic
C. frustration
D. routine

41. The factory is __________ at a 60% increase in production this year.

A. aiming
B. working
C. developing
D. keeping

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