施工定额以工序作为研究对象，表示产品生产与生产消耗的数量关系。从性质上看，施工定额是

下面是一篇打乱次序的短文，请根据大意重新排列（短文第一段已给出）。

     Dick was born in a poor family. His father had a small boat and went fishing in the morning and sold the

fish in the market in the afternoon. Then he bought some food for his family.

     (A) "No, it's much cheaper," said the man."But another name was engraved (刻) on it.""It doesn't matter,"

said Dick. "My aunt couldn't read."

     (B) The woman was very happy but one day she died in a traffic accident. The young man was very sad.

After he buried her, he decided to buy a beautiful tombstone (墓碑) for her. He went to town and came in a

shop, but all the tombstones were too expensive.

     (C) He asked,"Do you sell an old tombstone, sir?""Yes, we do, sir." answered the shopkeeper."Is it as

expensive as the new one?"

     (D) Twenty years passed. Dick became a tall, strong man. He found work on a farm. He worked hard and

wanted to get more money. He often went to see his aunt with some nice presents.

     (E) When winter came, they were often hungry. One morning the hungry man fell into the river and wasn't

found. Dick's mother left her three-year-old son without saying good-bye. His aunt had to look after him. 

      __________________________________________

下图是王老师上历史课时给同学们展示的复习提纲。据此判断，他复习的专题是

A．建国后农村政策的新变化

B．邓 * * 理论的形成和发展

C．社会主义民主和法制建设

D．社会主义经济建设新成就

设定“起始位置”会出现的问题有（）。

A、设定值与试验机状态参数不一致，后果是轻则不能返回原位，重则两个夹头相撞损坏设备

B、压缩实验按试件高度设置“起始位置”

C、第二个试件无法直接安装

D、拉伸实验在试件没有夹紧时的夹头间距设置“起始位置”

E、压缩实验设置的“起始位置”比压缩实验后的两个压头间距小

F、拉伸实验设置的“起始位置”比安装试件后的两个夹具间距小

急性坏死性溃疡性龈炎，如用抗菌药治疗，应首选的药物是（）

A．四环素

B．螺旋霉素

C．甲硝唑

D．青霉素

E．罗红霉素

营养支持治疗的目的是（）。

A.使患者保持一个良好的营养状况

B.更好的耐受抗癌治疗

C.尽快恢复体质

D.提高生活质量

E.以上均正确