单项选择题

The view that the yield of rice remains steady is by no means________, owing to the fact that yearly tempests overflowing Asia influence it in________manner.

A.uncertain ... a capricious
B.uncontested ... a predictable
C.unrealistic ... a catastrophic
D.convincing ... a redundant
E.infallible ... an erratic
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热门 试题

单项选择题
The author of the passage is primarily concerned with________.()

A.revealing a commonly ignored distinction
B.proposing a return to a traditional taxonomical system
C.describing an way to resolve a taxonomical dilemma
D.assessing the success of a new taxonomical method
E.predicting a change in future taxonomy

单项选择题
Maureen radiates an unfailing common sense and good humor, although not a false cheery________; she has no illusions about life, and her grace comes from her capability to meet it________.
A.mirth ... flinchingly
B.naiveté ... head-on
C.insensitivity ... callously
D.charm ... promptly
E.ignorance ... obscurely
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