下列关于国际分工与国际贸易相互关系的说法错误的是（）。A.国际分工的扩大推动了国际贸

1952年12月5～9日，英国许多地区被浓雾笼罩，伦敦的情况尤为严重，4～5天内浓雾不散，持续不变，导致2周内有4000多人死亡。

加重煤烟型烟雾事件的气象条件是

A．刮大风、干燥、寒冷、低压
B．气温回升、天气晴朗
C．寒冷、大雾、无风、有逆温
D．大气稳定度差、气压高
E．连日下大雪、刮大风

词语替换， 选择与句中划线部分意思相同或相近的词或短语。

1. We all know that his father is able to swim well.

A. must

B. shall

C. can

D. may

2. The old man had to stop his work because of his poor health.

A. give up

B. put up

C. look up

D. turn up

3. He was the second in the long jump at the 2004 Athens Olympics.

A. got the bronze medal

B. got the silver medal

C. got the iron medal

D. got the gold medal

4. We should try our best to study English.

A. do our best

B. do one's best

C. have a try

D. do well in

5. Class was over and the students came out of the classroom one after another.

A. up and down

B. here and there

C. by and by

D. one by one

经皮将药物注射到疼痛部位，阻断疼痛传导部位，以减轻或消除疼痛的方法称为注射疗法。其常用的药物不包括（）

A.普鲁卡因

B.高浓度的利多卡因

C.维生素B₁或B₁₂

D.地塞米松

E.生理盐水

“欧洲之星”高速列车是通过（）海峡连接的英国和法国。

直线制又称（）结构

A、职能式

B、军队式

C、指挥式

D、关系式