同义句转换.1 When he was seven years old,he began to go to school. 改为He began to go to school...
题目
同义句转换.1 When he was seven years old,he began to go to school. 改为He began to go to school...
同义句转换.1 When he was seven years old,he began to go to school. 改为He began to go to school _ _ _ _ _ 2 She was so weak that she couldn't take care of her baby 改为She was _ _ _ _ take care of her baby
答案
1.at the age of seven 或 when he was aged seven
2.如果是四空,应该是：not strong enough to 或 not healthy enough to 或 much too weak to
如果是三空,才是：too weak to
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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