什么是光纤的微弯曲损耗？

根据句意及词首字母或汉语提示，补全单词。

1. Don’t forget to send an e-mail to me. The a_________ is happy@sina.com.

2. Animals are our good friends. We should p_________ them.

3. I’m not sure w_________ there are UFOs.

4. —What were the children doing at this time yesterday?

    —They were _________ (给……喂食) animals on the farm.

5. —Lisa, you look much _________(瘦的) than before. Why?

    —I become interested in tennis and I often play it with my friends.

评定精神分裂症患者的严重程度和治疗效果的量表是（）

A.SANS

B.SAPS

C.PANSS

D.CGI

E.HAMD

形式的相对独立性

对钢的分类描述不正确的是（）。

A、按成分钢分为碳素钢和合金钢。

B、碳素钢含碳量一般为0.02%-2%，分为低碳钢、中碳钢、高碳钢。

C、含碳量小于0.25%为低碳钢，含碳量在0.25-0.60%为中碳钢，含碳量大于0.6%为高碳钢。

D、合金钢按合金量多少又分为低合金钢、合金钢、高合金钢。

对车身进行校正时要遵循什么原则（）

A、先里后外

B、先外后里

C、里外同时