阅读理解。

     Many people like to buy things when (当…时候) they're on sale. In fact (事实上), those things on

sale are not good. My friend Lisa often (经常) buys useless (没用的) things from some stores on sale.

She has a skirt. It's ￥10 and it's too short. Her black pants are not short. They're too long. She buys the

pants for ￥20. She also buys some small socks for ￥20. She gives those small socks to her sister. Now

(现在) she doesn't buy things on sale.

1. Many things on sale are _____.

A. good

B. nice

C. not good

2. Lisa has a skirt _____.

A. short

B. long

C. red

3. Lisa's black pants are _____.

A. big

B. short

C. long

4. How much are Lisa's black pants?

A. ￥10.

B. ￥20.

C. ￥30.

5. Lisa gives the small socks to her _____.

A. mother

B. brother

C. sister

金属基托要求厚度为()

A．0.5～0.75mm

B．0.25～0.5mm

C．1～1.5mm

D．2mm

E．0.5mm