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What is the conversation mainly about? [br] [originaltext]W: Hello?M: Hi. Mari
What is the conversation mainly about? [br] [originaltext]W: Hello?M: Hi. Mari
游客
2023-11-08
45
管理
问题
What is the conversation mainly about? [br]
W: Hello?
M: Hi. Marie. this is Tom Ford.
W: Oh, hi, Tom. You weren’t in engineering class today, were you?
M: I have the flu. I was wondering if you could tell me what went on.
W: Actually we had an interesting class. [7]Dr. Collin talked about a new type of fuel.
M: Oh. yeah?
W: Uh-hum. It’s called dimethyl-ether or DME.
M: Oh. I remember reading something about DME. It’s mostly used in spray cans, right?
W: Right. DME doesn’t destroy the ozone. so it’s been environmentally friendly.
M: But doesn’t DME pollute the air if it’s burned in an engine?
W: Dr. Collin said something about its exhausts being clear, that [8]it doesn’t release as much pollutants as diesel fuel. And he mentioned something about DME being more efficient than other alternative fuels.
M: When will it replace diesel fuel?
W: [9]Not for a while. It’s not economical to mass-produce.
M: Well. thanks fur the information. I guess I won’t need to borrow your notes.
W: Well, [10]maybe you should look at them. We are having a test next week.
M: Okay, could you give them to William Johnson? I think he is in your psychology class. He is my roommate.
W: Sure. I hope you’re feeling better soon.
M: Thanks. Bye-bye!
W: Bye!
选项
A、It will reduce the amount of pollutants in the air.
B、It will increase the amount of unpleasant odors from vehicles.
C、It will eventually destroy the ozone layer.
D、It will reduce the cost of running large vehicles.
答案
A
解析
女士提到DME不会破坏臭氧层,是environmentally friendly。男士疑惑在引擎中燃烧会不会污染空气,女士说道:“它不会释放出比柴油(diesel fuel)更多的污染物。”由此可知选项A就是正确答案。
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