运动导体在磁场内做切割磁力线运动时，导体内产生感应电势。

一个合数至少有3个不同的因数．______．

（5分）现有一含少量SiO₂杂质的石灰石样品，某实验小组同学为准确测定该样品的纯度，他们取用2.0g样品于烧杯中，把25.00mL某浓度的盐酸分成5等份，准备分别加入烧杯中进行反应，他们将前4次实验的结果记录如下：

（1）该实验小组同学是否还需要将第5份盐酸加入烧杯？                    ；

（2）原样品的纯度（CaCO₃的质量分数）是______________。

（3）求该实验小组同学所用盐酸的物质的量浓度。(要求写出计算过程)

阅读理解。

     Eddie liked music very much when he was at school, but when he went to the university he decided to

study medicine instead of music. When he passed his examinations and became a doctor, he had to work in

a hospital for some time. There he discovered that a lot of patients were happier and caused less trouble if

pleasant music was played to them. When Eddie got an office and began to work for himself, he decided to

keep his patients happy by having a tape recorder in his waiting-room play beautiful music for them.

      But soon after the tape recorder had been put in, Eddie's nurse heard a woman, who was sitting in the

crowded waiting-room one morning, complained,"here we're all waiting to see the doctor, and he's just playing

the violin in his office instead of doing his work."

1. Eddie became a student of medicine at university______.

A. because he had lost interest in music

B. because he thought medicine was more important than music

C. to find out new use of music in hospital

D. for reasons unknown from this passage

2. From the passage we can infer that Eddie ______.

A. didn't do well in his examinations

B. didn't want to work in the hospital

C. was working as a doctor in the hospital

D. was doing some scientific research in the hospital

3. Why did Eddie put a tape recorder in his office?

A. He wanted to help patients waiting to see him pass the time easily.

B. He discovered that music was of help to his patients.

C. He enjoyed listening to music while he worked.

D. He wanted to attract more patients to his office.

4. From the passage we can see that ______ .

A. the woman did not understand music

B. the woman thought Eddie was an unusual doctor

C. the woman did not understand what Eddie meant

D. the woman hated to be kept waiting

不同成员互相配合完成工作，这体现了团队工作优势中的（）。

A.提高效率

B.增强团队使命感

C.加强工作的整体协调性

D.合理决策

浙江省宣布，经过半年多时间的清权、减权、制权全面梳理，57个省级部门的1.23万项行 * * 力被“砍”到4236项，精简幅度在六成以上。2014年6月25日，这份“瘦身”后的“（）”将通过浙江政务服务网正式向社会公布。