为什么说球团矿比烧结矿具有更好的冶金性能？

Winter is the ______________ season in a year. [ ]

A. cold

B. colder

C. coldest

D. cool

（）有权对发生电力事故负有责任的单位和个人进行相应处罚。

A.安全生产监督管理部门

B.电力监督机构

C.国务院

D.地方政府

根据句意及首字母提示完成下列句子。

1. I found (发现) a p_______ on the playground, and there is 200 yuan in it.

2. W_______ is between Tuesday and Thursday.

3. My friend asks me to r_______ his book on time.

4. Math is my brother's favorite s_______.

5. Mr. Chen often r_______ a bike to school.

投油初期要清理掉油枪管道内的（）、（）和（）等障碍物，以免堵塞油枪，如果油枪（）不够，油焦滞留在油枪内也会造成通道阻塞。

资产负债表中的“期末数”填列主要来源于总账账户的期末余额。（）