根据句意和首字母提示完成句子。

1. Parents should p        their young children  with food, clothing and shelter.

2. He got the right c           to the question by hard work.

3. Read this story please.  It is very e           .

4. My brother is good at computer p           .

5. He is one of the l           students in class, and he is loved by all.

单轨吊轨道直轨线路双轨间距偏差，不得大于（）mm。

A.50

B.100

C.150