不同运输方式间的转运费用是不同的。

阅读理解。

     The best way of learning a language is using it. The best way of learning English is talking in English as

much as possible. Sometimes you'll get your words mixed up (混合) and people will not understand you.

Sometimes people will say things too quickly and you can't understand them. But if you keep your sense of

humor (幽默感), you can always have a good laugh at the mistakes you make. Don't be unhappy if people

seem to be laughing at your mistakes. It's better for people to laugh at your mistakes than to be angry with

you, because they don't understand what you are saying. The most important thing for learning English is:

Don't be afraid of making mistakes because everyone makes mistakes.

1. The writer thinks that the best way for you to learn a language is _____.

A. writing

B. using it

C. listening

D. learning grammar

2. What should you do in learning English?

A. Be careful not to make any mistake.

B. Write as quickly as you can.

C. Speak English as much as you can.

D. Laugh more often.

3. When people laugh at your mistakes, you should _____.

A. not care 

B. be happy

C. feel worried

D. be unhappy

4. When you make a mistake, you should _____.

A. keep quiet

B. get angry

C. be kind

D. keep your sense of humor

5. The story tells us that _____.

A. only foolish people make mistakes

B. few people make mistakes

C. people never make mistakes

D. there is no one who doesn't make mistakes

下列由原子直接构成的物质是（　　）

A．食盐

B．干冰

C．金刚石

D．水

使用单位消除、减少和控制工作场所危险化学品产生危害的方法有哪些？

小儿与成人相比，紫外线红斑反应的特点是()

A．红斑反应阈低，潜伏期短，持续时间短

B．红斑反应阈低，潜伏期短，持续时间长

C．红斑反应阈高，潜伏期长，持续时间短

D．红斑反应阈高，潜伏期长，持续时间长

E．与成人无差异

简述公共关系活动的人力资源策略。