为了避免秤杆损坏，制秤时在秤杆两端各包上质量相等或相近的两块小铜片。现在秤杆一端

根据下列句子中的汉语词义写出所缺单词，每空一词。

1. They're singing to r________ money for children an rural areas.

2. It's good to keep your voice down in p________ places.

3. Give me a piece of p________. I want to write something.

4. Taiwan is the biggest i________ of our country.

5. You should be more careful when you c________ the street.

6. There are at ________ (至少) thirty birds in the tree.

7. My parents don't ________ (允许) me to stay outside on school nights.

8. Would you mind ________ (吸烟) here?

9. Nothing is ________ (不可能的).

10. Of all the ________ (季节), I think spring is the best.

一个正方形的边长是5厘米，它的周长是25厘米．______（判断对错）

西方货币市场基金的投资对象包括国库券、商业票据、银行短期存款、短期公司债务等等金融工具。

金融机构在银行间市场发行金融债必须获得( )的行政许可。

A．国各院
B．中国人民银行
C．银监会
D．中国银行业协会

爆破片