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【单选题】
电动吸引器吸痰是利用A.
正压作用
B.
负压作用
C.
虹吸作用
D.
空吸作用
E.
静亚作用
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举一反三
【单选题】The boy is Jack Robert Smith. _____ is his family name. [ ]
A.
Jack Robert
B.
Smith
C.
Jack
D.
Robert Smith
【单选题】–– Robert: I’m going to the cinema this evening. –– Bill: ____ –– Robert: It ’s a Western “Cowboy Comes Home ”.
A.
What’s on?
B.
What’s in?
C.
What is acted?
D.
What is perform?
【单选题】________ , she is the sort of woman to spread sunshine to people through her smile.
A.
Shy and cautious
B.
Sensitive and thoughtful
C.
Honest and confident
D.
Lighthearted and optimistic
【单选题】What is the author's attitude towards 'self-esteem' (Paragraph 2) ?
A.
Unconcerned.
B.
Cautious.
C.
Supportive.
D.
Negative.
【单选题】Jason: Hi, Robert, how's everything with you? Robert: _____________, and how are you?
A.
Don't mention it
B.
Hm,not too bad
C.
Thanks
D.
Pretty fast
【单选题】On snowy days, you have to drive very ________ to avoid traffic accident.
A.
neatly
B.
smoothly
C.
cautiously
D.
actually
【单选题】As we know, Jean is a investor（投资者）who studies the market before he buys things.
A.
lucky
B.
cautious
C.
patient
D.
generous
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