下列关于资源、能源、环境等问题叙述错误的是[ ] A.地球上的水

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问题选择题

下列关于资源、能源、环境等问题叙述错误的是 [ ]

A.地球上的水资源非常丰富，但是可供利用的淡水资源是很有限的

B.石油分解后可得到汽油、煤油、柴油等一系列产品

C.pH<5.6 的酸性降水称为酸雨，它的形成与大气中SO₂等酸性污染物增多有关

D.使燃料充分燃烧，既可以减少空气污染，又可以节约化石能源

答案

答案：B

补全对话，情景问答

根据对话内容，补全对话。

A: Excuse me. Can you 1 me the way to the nearest post office? I want to post a letter.

B: Yes. Just go along and 2 right. It's down the Central Street on the left.

A: Is it 3 from here?

B: No, it isn't. It's quite near. It will take you only five 4 to go there on foot.

A: By the 5 , where is the bookstore?

B: The bookstore? It's on Eighth Avenue. It's 6 to the supermarket.

A: Can I walk there?

B: Yes, you can. But it will take you 7 an hour to walk there. You had better take a bus there.

A: 8 bus shall I take?

B: No 66.

A: Many 9 for your kindness.

B: It's my 10 .

判断题

在接待散客时，沿途导游服务可采取对话的形式进行。