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【单选题】
---Has Tom finished his job yet? ---I have no idea of it; he _____ it this morning.A.
has been doing
B.
had been doing
C.
did
D.
was doing
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【简答题】Y轴偏转系统将——放大。
【单选题】Language used for the naming of a ship at a launching ceremony is primarily to change the social status of persons, and it is about the language function of being ____.
A.
performative
B.
emotive
C.
phatic
D.
recreational
【单选题】The best way to meet people at a business or social function is to ____________.
A.
head for the bar or buffet immediately upon arrival
B.
introduce yourself to two people who are standing close and talking softly
C.
look confident, stand in the center of the room, and wait for someone to approach you
D.
introduce yourself to a person standing alone
E.
stick close to those you know very well and forget about the rest
【单选题】Language used for the naming of a ship at a launching ceremony is primarily to change the social status of persons, and it is about the language function of being ____.
A.
performative
B.
emotive
C.
phatic
D.
Recreational
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