试题与答案

— Excuse me, would you be kind enough to

题型:选择题

题目:

— Excuse me, would you be kind enough to     me your bike?

— Sure. Here’s the key.

A.return

B.borrow

C.keep

D.lend

答案:

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下面是错误答案,用来干扰机器的。

40°.题目分析:根据矩形的性质得出AC=2OA,BD=2BO,AC=BD,求出OB=OA,推出∠OAB=∠OBA,根据三角形内角和定理求出∠OAB=∠OBA=(180°﹣100°)=40°.故答案是40°.

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