下列词语中没有错别字的一项是 [ ] A．矫健琐屑搀扶骄生惯养 B．斑点娇美妨碍无

用所给单间的适当形式填空.

1. He told he _____ (help) her with her maths the next evening.

2. She said they _____ ( know) each other for quite sometime.

3. If it _____ (not rain) tomorrow, we _____ (visit) the People's Museum.

4. John _____ (write) something when I _____ (go) to see him.

5. Our teacher told us that light _____ (travel) much faster than sound.

6. When I got to the cinema, the firm _____ (begin).

7. Mike asked me if we _____ (ask) any questions the next class.

8. Will you come and stay with us for a while when you _____ (finish) doing your homework?

9. Comrade Wang didn't know if there _____ (be) an English evening that day.

10. Please tell me if she _____ (come) again next time.

间歇性跛行

A．肾动脉粥样硬化
B．四肢动脉粥样硬化
C．肠系膜动脉粥样硬化
D．冠状动脉粥样硬化
E．脑动脉粥样硬化

18世纪初一位荷兰医生写了一本《蜜蜂的预言》，叙述了一个蜂群的兴衰史。最初，蜜蜂们追求奢侈的生活，大肆挥霍浪费，这个蜂群兴旺发达。后来他们改变了原有的习惯，崇尚节俭，结果蜂群凋敝，终于被对手打败而逃散。后来学者根据这则寓言提出一个著名的理论。下列关于这一理论的叙述正确的是

A．主张加强国家对经济的千预

B．主张发挥市场对经济的调节作用

C．竭力鼓励出口，控制商品进口

D．主张政府对经济实行保护主义

下列论述中错误是的（）。

A、方法误差属于系统误差

B、系统误差也称为可测误差

C、系统误差呈正态分布

在年平均雷电日大于（）天的地区，配电变压器低压侧每相宜装设低压避雷器。

A.10

B.20

C.30

D.40