词语运用。

1. Cloning technology is sometimes _____ (有帮助的).

2. _____ (一般地) speaking, girls have a gift for learning languages.

3. In some ways, clones would be _____ (精确地) the same.

4. It's _____ (疯狂的) to clone human beings.

5. It's  so _____ (愚蠢的) you to do so.

（）属于价值量大而危险数量小的保险。

A.人寿保险

B.家庭财产保险

C.重大工程保险

D.意外伤害保险