选出与划线部分意思相同或相近的选项

1. How did they come here?  By air.[ ]

A. By sea

B. By car

C. By plane

D. On foot.

2. Everyone is here except Danny.[ ]

A. beside

B. by

C. but

D. Only

3. The radio says the weather will be fine tomorrow. [ ]

A. that

B. it

C. the sky

D. the day

4. There is a lot of rain in summer. [ ]

A. many

B. much

C. few

D. a few

5. —I'm sorry. I'm late.

    —It doesn't matter. But come to school earlier.[ ]

A. That's all right.

B. You are welcome.

C. You are wrong.

D. That's right.

二次热分解后产生的气体从炭化室顶部空间经上升管排出，这些气态产物称为（）。

A.干煤气

B.粗煤气

C.水蒸气

D.游离碳