芯盒按其分型面和内腔结构，分为（）、（）、（）三类。

认证机构对文件审核的主要对象是( )。

A．申请书的附件

B．申请书

C．现场审核记录

D．审核报告

下列叙述中正确的是( )。

A．在Word中，为选定文本定义字号时，阿拉伯字号值(如12，16等)越大，实际显示的字将越小

B．在Word编辑环境中，若要取消选定文本的反白显示，使其恢复正常文本显示，只能用鼠标再次单击选定文本的任何位置

C．在Word编辑环境下，通过键盘输入文档内容时，每当输入至一行末尾，不必按回车键进行换行

D．在Word编辑状态下，可以通过键盘上的Delete键将已选中的文本块删除

阅读理解。

     At a certain time in our lives we consider every place as the possible sites (地点) for a house. I have thus

searched the country within a dozen miles of where I live. In imagination I have bought all the farms, one

after another, and I knew their prices.

     The nearest thing that I came to actual ownership was when I bought the Hollowell place. But before

the owner completed the sale with me, his wife changed her mind and wished to keep it, and he offered me

additional dollars to return the farm to him. However, I let him keep the additional dollars and sold him the

farm for just what I gave for it.

     The real attractions of the Hollowell farm to me were its position, being about two miles from the village,

half a mile from the nearest neighbor, bounded (相邻) on one side by the river, and separated from the

highway by a wide field. The poor condition of the house and fences showed that it hadn't been used for

some time. I remembered from my earliest trip up the river that the house used to be hidden behind a forest

area, and I was in a hurry to buy it before the owner finished getting out some rocks, cutting down the apples

trees, and clearing away some young trees which had grown up in the fields. I wanted to buy it before he

made any more of his improvements. But it turned out as I have said.

     I was not really troubled by the loss. I had always had a garden, but I don't think I was ready for a large

farm. I believe that as long as possible it is better to live free and uncommitted (无牵挂的). It makes but little

difference whether you own a farm or not.

1. What do we know about the author? [ ]

A. He wanted to buy the oldest farm near where he lived.

B. He made a study of many farms before buying.

C. He made money by buying and selling farms.

D. He had the money to buy the best farm in the country.

2. Why did the author decide to buy the Hollowell place? [ ]

A. It was of good market value.

B. It was next to the highway.

C. It was in a good position.

D. It was behind a nice garden.

3. Why did the author want to buy the farm in a hurry? [ ]

A. He was afraid the owner might change his mind.

B. He hoped to enlarge the forest on the farm.

C. He wanted to keep the farm as it was.

D. He was eager to become a farm owner.

4. The underlined words "the loss" in the last paragraph refer to _____. [ ]

A. the money the author lost in buying the farm

B. the sale of the garden in the Hollowell place

C. the removal of the trees around the house

D. the failure to possess the Hollowell place

5. What does the author believe as important in life? [ ]

A. To own a farm

B. To satisfy his needs

C. To be free from worries

D. To live in the countryside

原子是由位于中心的原子核和核外电子组成的．原子核带______电，电子带______电，电子是带有最小负电荷的粒子，电量为______，称为______电荷，常用符号______来表示它．

目前降尘的主要措施包括（）

A.煤层注水

B.湿式打眼

C.使用水炮泥

D.通风防尘

E.喷雾洒水