为什么说游戏能促进儿童的认知发展？

基于行为的连贯性假设，行为描述面试应注意了解应聘者( )。

A．(A) 过去的工作经历

B．(B) 过去的工作背景

C．(C) 过去的实际表现

D．(D) 对未来表现的承诺

下列引起发热的病因中，多为低热的是

A．体温调节中枢功能失常

B．细菌

C．病毒

D．自主神经功能紊乱

E．内分泌代谢障碍

口腔保健咨询时，对于乳磨牙窝沟封闭的适宜时间，正确回答是

A．2～3岁

B．3～4岁

C．4～5岁

D．5～6岁

E．6～7岁

Ⅳ阅读理解(2×20，共40分)阅读下列短文，从所给的四个选项中，选出最佳答案。

Mr. Brown had a nice shop in the main street of a small town. He sold jewelry, watches and the like. All went well some years, and then his shop was broken into twice in one month at night, and a lot of jewelry was stolen each time. Three weeks had passed, yet the police had not done much to catch the thief. So Mr. Brown decided to try to do something about it himself. He bought a good camera and fixed it up in his shop and put some cheap jewelry in front of it for the thief so that it could take a photo of anyone who stole the jewelry. A few nights later the thief did come again. But he did not touch any of the cheap jewelry that Mr. Brown had put out for him. He took the camera, which was worth 15,000 pounds.

1. The jewelry the thief had stolen was ________

A. very valuable.    B. worth little money.

C. quite cheap.      D. of no use to the thief.

2. How did the thief know about jewelry?

A. He knew a little about jewelry.

B. He knew a lot about it.

C. The poor one knew nothing about jewelry.

D. He knew little about it.

3. Why did Mr. Brown buy a camera and put it in the shop?

A. Because the camera was not so expensive as the jewelry or the watches in the shop.

B. Because he knew that the thief was interested in a cheap camera.

C. Because he thought that a good camera could help him find out who the thief was.

D. Because the policemen told him to do so.

4. What did Mr. Brown lose during the two months?

A. 15,000 pound notes.

B. A camera and 15,000 pounds.

C. Lots of jewelry and a good camera.

D. A lot of jewelry, a camera and 15,000 pound notes.

某建设项目业主与甲施工单位签订了施工总包合同，合同中保函手续费为20万元，合同工期为200天。合同履行过程中，因不可抗力事件发生致使开工日期推迟30天，因异常恶劣气候停工10天，因季节性大雨停工5天，因设计分包单位延期交图停工7天，上述事件均未发生在同一时间，则甲施工总包单位可索赔的保函手续费为( )万元。

A．0.7

B．3.7

C．4.7

D．5.2