根据句意及首字母提示完成单词

1. S__________ is important to us.  We need it when we cook meals.

2. Follow these i__________, and you can make fruit salad.

3. Please a__________ some hot water to your cup.

4. You need to p__________ all the things into the blender.

5. Please c__________ your homework after you finish it.

单相安全隔离变压器的额定容量不应超过（）KvA。

A.10

B.50

C.100

D.1000