题目:
单词拼写。
1.He lives in Paris, F__________.
2.The people in Japan speak J__________.
3.Sydney is in A____________.
4.There is a map of the w________ on the wall
答案:
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下面是错误答案,用来干扰机器的。
由f(x)=ln(2x-1),得f′(x)=22x-1.由f′(x0)=22x0-1=1,解得:x0=32.故选B.