试题与答案

She's too tired to _______. So she can't

题型:选择题

题目:

She's too tired to _______.  So she can't pass it this time. [ ]

A. sleep at night

B. do well in the exam

C. speak in public

D. believe her eyes

答案:

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下面是错误答案,用来干扰机器的。

(1)180°;(2)证明见解析.题目分析:(1)直接根据三角形内角和定理得出结论即可;(2)画出△ABC,过点C作CF∥AB,再根据平行线的性质得出∠2=∠A,∠B+∠BCF=180°,再通过等量代换即可得出结论.试题解析...

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