“三个代表”思想创造性地回答的一个主要理论问题是 A．发展是执政兴国的第一要务

读一读，判断对(T)错(F) 。

   Hi! I am John. Tomorrow is Saturday. I'm going to a bookstore. I want to buy a new Chinese dictionary.

My old dictionary is broken. The bookstore is next to a park. It's far from here. I'm going there by bus.

The bookstore is a white building. It's very beautiful. After buying the dictionary, I'm going to the park. I

like the park. I will have fun there.

(     ) 1. Today is Friday.

( ) 2. John is going to a department store tomorrow.

( ) 3. He is going to buy an English dictionary.

( ) 4. The bookstore is not far from here.

( ) 5. He is going to the park after buying the dictionary.

下列物质中，既存在离子键、共价键，又存在配位键的是：  [ ]

A. 石墨      

B. BaCl₂      

C. NH₄F      

D. NaOH

定量评定平衡功能的内容不包括（）

A.双脚站立

B.闭目站立

C.足尖对足跟站立

D.足尖对足尖站立

E.单脚站立

某煤矿机构所在地在甲省，在甲省有矿山4座，在乙省有矿山一座(非独立核算)。 2006年9月开采原煤620000吨，销售原煤542000吨，其中包括在甲省开采的原煤356000吨，乙省开采的原煤186000吨。甲省煤炭适用税额为3元/吨，乙省煤炭适用税额为3.5元/吨。该企业本月应纳资源税( )元。

A．162600

B．186000

C．1719000

D．1897000

YJ29滤嘴接装机水松纸切刀由（）把四刃切刀组成。

A.8

B.10

C.12

D.16