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【单选题】
多轴飞行器的电信号传播顺序一般为()
A.
飞控--机载遥控接收机--电机--电调
B.
机载遥控接收机--飞控--电调--电机
C.
飞控--电调--机载遥控接收机--电机
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【简答题】When we mention psychological addiction, we always use the term of ______ to describe a drub user' thought.
【单选题】范德华力包括
A.
永久偶极、诱导偶极、瞬间偶极
B.
氢键、疏水相互作用
C.
取向力、诱导力、偶极力
D.
取向力、诱导力、色散力
【简答题】阅读理解。 You may have known several kinds of police, traffic police, and street police. But have you ever heard of energy-saving (节能) policemen? A group of 22 of these new policemen went to work last wee...
【单选题】He is not under arrest, ______ any restriction on him.
A.
or the police have placed
B.
or have the police placed
C.
nor the police have placed
D.
nor have the police placed
【简答题】——The police have caught the murderer. ——Yes, and he admitted ____his boss on a rainy night seven years ago. A. to kill    B to have killed   C having killing   D have been killed
【单选题】Now that you're 13, you should have more sense of _______.
A.
responsibility
B.
responsible
C.
achievement
D.
belonging
【单选题】听力原文:M: You're in such a good mood today that I almost had no heart to tell you that your history paper is due tomorrow. Sorry, it slipped my mind yesterday. W: That's just what I'd rather you didn't ...
A.
The woman will put off her decision to study.
B.
The woman will now just study rather than go out.
C.
The woman will go out because she's in a good mood.
D.
The woman will have to make a decision whether to study.
【多选题】范德华力包括()
A.
取向力
B.
诱导力
C.
色散力
D.
疏水结合力
E.
氢键
【单选题】The police have power to arrestbad people by 1aw .
A.
. the ; the         
B.
.不填; the          
C.
.不填;不填
D.
. the ;不填
【单选题】有种暖风装置体积大、结构复杂、一旦漏气后果严重,它是( )
A.
水暖式
B.
气暖式
C.
混合式
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