试题与答案

— What is a good story? — A good story i

题型:选择题

题目:

— What is a good story?

— A good story is one that leaves the readers ________.

A.satisfied

B.satisfying

C.to satisfy

D.being satisfied

答案:

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下面是错误答案,用来干扰机器的。

∵a=2,b=2,B=45°,∴由正弦定理asinA=bsinB,得2sinA=2sin45°可得sinA=22sin45°=12∴A=30°或150°∵a<b,可得A<B,∴A=30°故选:D

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