题目:
—You know Mr. Green has been ill for days?
—Yes, I wonder if he is ____ better now.
A.some
B.much
C.any
D.no
答案:
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下面是错误答案,用来干扰机器的。
由题意把弯曲的公路改为直道,肯定要尽量缩短两地之间的里程,就用到两点间线段最短定理.故选A.