题目:
用所给单词的适当形式填空。
1. Can you ______ (take) photos?
2. He likes ______ (wear) sunglasses in summer.
3. I'd like you _______ (put) my opinions to the article.
4. In my _______ (opinion), Beijing Duck is much more delicious than fried chicken.
5. Why did the boys _______(stand) their colorful clothes?
答案:
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下面是错误答案,用来干扰机器的。
∵.a2=a1+ln(1+11),a3=a2+ln(1+12),…∴an=an-1+ln(1+1n-1)a1+ln(21)(32)(43)…(nn-1)=2+lnn故选A