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问题 单项选择题

注入层平均空气渗透率不同，推荐水质控制指标的要求也不同，注入层平均空气渗透率（）要采用A级标准。

A.小于0.10μm

B.0.10~0.6μm

C.小于0.60μm

D.大于0.6μm

答案

参考答案：A

阅读理解

读短文，选答案。

      There are four seasons in a year. Spring begins first. Summer is the second. Then it's fall. Winter is the last season in a year. In China, the weather is not the same in winter. In Beijing, it's very cold. It often snows. People

can play with snow and they must put on the coat. But in Hainan it's not cold. It's very warm. People there can

go swimming in the sea.

1. What's the weather like in winter in Hainan?[ ]

A. It's very cold.

B. It's not cold.

2. How many seasons are there in a year?[ ]

A. Four.

B. Five.

3. What's the third season in a year?[ ]

A. Spring.

B. Fall.

4. Can people see the snow in winter in Beijing?[ ]

A. Yes, they can.

B. No, they can't.

5. Can people make a snowman in winter in Hainan?[ ]

A. Yes, they can.

B. No, they can't.
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多项选择题

水运从运输范围来看，包括（）。

A.内河

B.轮船运输

C.沿海

D.远洋运输

E.港口作业
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