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【单选题】
尘粒从气流中分离的能量不是供给气流,而是直接供给尘粒的除尘器的是( )。
A.
惯性除尘器
B.
旋风除尘器
C.
电除尘器
D.
颗粒层除尘器
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【单选题】以下关于调查问卷设计的说法中,不正确的是
A.
可以问涉及隐私的问题
B.
问题设计不宜多
C.
题型尽量是选择题
D.
不要问过于专业的问题
【简答题】Son’s Help Mr. Smith worked in a factory. As a driver, he was busy but he was paid much. His wife was an able woman and did all the housework. When he came back, she took good care of him and he never...
【简答题】阅读理解。 Mr Lang worked in a factory. As a driver, he was busy but he was paid much. His wife was an able woman and did all the housework. When he came back, she took good care of him and he never did an...
【简答题】阅读理解 Mr Lang worked in a factory. As a driver, he was busy but he was paid much. His wife was an able woman and did all the housework. When he came back, she took good care of him and he never did any...
【多选题】以下关于调查问卷设计的说法中,正确的是
A.
可以问涉及隐私的问题
B.
问题设计不宜多
C.
题型尽量是选择题
D.
不要问过于专业的问题
【简答题】Mr. Lang worked in a factory. As a driver, he was busy but he was paid much. His wife was an able woman and did all the housework. When he came back, she took good care of him and he never did anythin...
【简答题】Mr. West intended to buy his wife a Christmas present, but he was always very busy, so he was never 1 to find time to go to the shops. At last, when it was the week 2 Christmas, and the shops were ver...
【简答题】Mr. Lang worked in a factory. As a driver he was busy but he was paid much. His wife was an able woman and did all the housework. When he came back, she took good care of him and he never did anything...
【简答题】阅读理解。 Son's Help Mr. Lang worked in a factory. As a driver, he was busy but he was paid much. His wife was an able woman and did all the housework. When he came back, she took good care of him and he ...
【多选题】关于调查问卷的设计,以下说法正确的是( )
A.
一份完整的问卷通常由卷首语、指导语和正文三个部分组成
B.
“你对本次旅游有什么意见?”属于开放式问题
C.
调查问卷的根本目的是获取足够、适用和准确的信息
D.
“当你选择旅游产品时,最重要的考虑点是什么?”属于闭合式问题
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