皮皮学，免费搜题
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【简答题】
在一份“征求学生意见的问卷”中，有这样一段话：“请实事求是地回答下列问题。不要写姓名。为了鼓励你们开诚布公，答问卷时，你们的老师不在课堂监督。你们的老师和学校的任何人都不看你的问卷。请你在1～10题的每一问题的答案下面划线，并写出你对11～14题的答案来。”它所起的作用是什么？
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
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【单选题】Waste gas from cars is one of the major causes of air pollution. Instead of trying to reduce it, can we make good use of it? Now listen to a news report and choose the best answer to each of the quest...
A.
Turning the waste gas from cars into oil.
B.
Turning the waste gas from cars into ink.
C.
Turning the waste gas from cars into fuel.
D.
Turning the waste gas from cars into water.
【单选题】Waste gas from cars is one of the major causes of air pollution. Instead of trying to reduce it, can we make good use of it? Now listen to a news report and choose the best answer to each of the quest...
A.
Turning the waste gas from cars into oil.
B.
Turning the waste gas from cars into ink.
C.
Turning the waste gas from cars into fuel.
D.
Turning the waste gas from cars into water.
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