It is based on technology that already exists-—its not a pie in the sky prediction. The un
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It is based on technology that already exists-—its not a pie in the sky prediction. The underlined part means______.
A.unrealistic
B.marvelous
C.objective
D.pessimistic
请帮忙给出正确答案和分析,谢谢!
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正确答案:A
习语理解题。原句中pieinthesky意为“不能保证实现的诺言;渺茫的希望”,而unrealistic意为“不切实际的;不现实的”,符合句意,故[A]为答案。marvelous意为“了不起的;非凡的;令人惊异的”;objective意为“客观的;目标的”;pessimistic意为“悲观的,厌世的;悲观主义的”。
