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【简答题】
被动式红外探测器主要由光学系统(菲尼尔透镜)、_____红外传感器(简称 PIR) 、____处理和___电路组成。
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皮皮学刷刷变学霸
举一反三
【简答题】v. 使能够,使可能
【单选题】What is probably the real reason for Mr. Smith not feeling well?
A.
He was preoccupied with his business.
B.
He ate too much rich food.
C.
He couldn't sleep well.
D.
He was overweight.
【简答题】(Fred = A ; Mr. Smith = B ; Bob = C) A: Oh, Mr. Smith, are you very busy? B: Well, I was just going to give Bob a private lesson, but what&39;s the matter? 56 __________ A: I must tell you my news. Ja...
【单选题】It was an ________ situation, but Mr. Smith carried it off well. [ ]
A.
embarrass
B.
embarrassed
C.
embarrassment
D.
embarrassing
【简答题】使能够,使可能 v.
【简答题】(Fred = A ; Mr. Smith = B ; Bob = C) A: Oh, Mr. Smith, are you very busy? B: Well, I was just going to give Bob a private lesson, but what&39;s the matter? 56 __________ A: I must tell you my news. Ja...
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