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【判断题】
气敏传感器是检测气体类别、浓度和成分的传感器。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: You had met Professor Black before,right?How would you describe his lectures? M: Well,let me put it this way: I could never stay awake in one of his classes without first drinking at least two...
A.
He is fond of drinking coffee.
B.
Professor Black's lectures were interesting.
C.
He skipped Professor Black's classes.
D.
Professor Black's lectures were boring.
【单选题】下列各组离子在强碱性溶液中可以大量共存的是 ( )
A.
Na+、K+、Cl-、SO42-
B.
K+、NH4+、Cl-、NO3-
C.
Na+、Mg2＋、NO3-、Cl-
D.
Al3+、K+、SO42-、NO3-
【简答题】名词解释:移动定位技术
【单选题】听力原文：W: I understand you took one of Professor George's classes, didn't you? Is that interesting? M: Let me put it this way. I can safely say that I never needed a cup of coffee to keep me awake in hi...
A.
Professor George's class is very interesting.
B.
Professor Jordan's class is more interesting.
C.
He hasn't attended Professor Jordan's class.
D.
He hasn't attended Professor George's class.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
She attended Prof. Smith's class for three times.
B.
She finds Prof. Smith's class fascinating.
C.
She doesn't like the professor's class.
D.
Prof. Smith always looks at his watch during the class.
【单选题】听力原文：W：I understand you dropped Professor Jordan's classes and took one of Professor George's classes，didn't you? Is he that interesting? M：Let me put it this way. I can safely say I will never need a...
A.
Professor George's class is too boring.
B.
Professor Jordan's class is more interesting.
C.
Professor George's class is very interesting.
D.
Professor George never allows students to drink coffee in class.
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