题目内容

在下列吸收过程中，最有可能属于气膜控制的是（）。

A. 水吸收氧
B. 水吸收氢
C. 水吸收二氧化碳
D. 水吸收氨

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可测集的子集可测。

A. 对
B. 错

词汇与结构A ______ is an electronic device that produces a response when it receives a radio-frequency interrogation.

A. transformer
B. translator
C. transponder
D. transmitter

词汇与结构Aircraft have transponders to assist in ______ them on radar and on other aircraft’s collision avoidance systems.

A. identifying
B. recognizing
C. realizing
D. distinguishing

词汇与结构Air traffic control units use the term “______” when they are assigning an aircraft a transponder code.

A. identify
B. ident
C. squawk
D. allocate