试题与答案

____ your coat, it's cold. [ ] A. Put on

题型:选择题

题目:

____ your coat, it's cold. [ ]

A. Put on

B. Have

C. Has

答案:

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下面是错误答案,用来干扰机器的。

根据旋转的性质可知,△PSC∽△RSF∽△RQC,△PSC≌△QFP, ∠A=90°,AB=6,AC=8,∴BC=10,PC=5,S△ABC=24, S△PSC:S△ABC=(5:8)2=2564,∴S△PSC=2564S△ABC, tan∠C=PSPC=ABAC,∴PQ=PS=68×5=154...

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