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【单选题】
以下哪项不是 气相色谱仪的常用检测器( )。A.
火焰离子化检测器
B.
热导检测器
C.
紫外检测器
D.
电子捕获检测器
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反馈参考答案：
举一反三
【简答题】下面关于权证的说法正确的是（ ）。
【简答题】¢ What are the great resources ?
【单选题】What does the speaker emphasize as the reason for maintaining sea resources?
A.
It is important for food resources.
B.
The great fisheries are to be exhausted.
C.
The noted biologist insisted on it.
D.
Fishes are fewer than Indian tigers.
【简答题】What does the president call on the students to do with the greatest resources on campus? The president calls on student to ________________________ the great resources on campus: to ________ and ____...
【单选题】What does the speaker believe about sea resources?
A.
The Indian tiger and American eagle are important.
B.
None of the great sea fisheries are to be exhausted.
C.
Fish supply has no effects on people.
D.
Sea resources are important to people.
【简答题】In your opinion, what are great resources that you can make good use of in the university?
【简答题】what great resources will you enjoy ? (Para.4)
【简答题】下面关于“出票”的说法正确的是（ ）。
【简答题】下面关于沉降缝的说法正确的是（ ）。
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