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【判断题】
产品的竞争主要在核心产品层次。A.
正确
B.
错误
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举一反三
【单选题】— Is Mr. Smith in his office now? — No, he _____ there. I _____ him in the library a minute ago. [ ]
A.
may be, saw
B.
can't be, see
C.
mustn't be, see
D.
can't be, saw
【单选题】--- Is Mr. Smith in the office? --- Yes，_____ he is in charge of the office，he must be there.
A.
however
B.
since
C.
whether
D.
for
【单选题】— Is Mr. Smith in the office? — Yes , he must be there , ________ he is in charge of the office .
A.
since
B.
however
C.
whether
D.
for
【单选题】—Is Mr. Smith in? —No, he's asked for __________ leave. [ ]
A.
a two week's
B.
a two-week
C.
a two-week's
D.
a two weeks
【单选题】– Is Mr. Smith in the office? - No, He＿＿＿＿＿＿to the library.
A.
goes
B.
had gone
C.
has gone
D.
would go
【单选题】A: Good afternoon. Reception. How may I help you? B: This is Mr. Smith in Room 345. I checked in about 5 minutes ago. But the room is in absolutely terrible condition. 18. What is Mr. Smith doing?
A.
He is making an apology.
B.
He is making a complaint.
C.
He is booking a room.
D.
He is accepting a complaint.
【单选题】Is Mr. Smith in the office? - Yes,________ he is in charge of the office,he must be there.
A.
since
B.
however
C.
whether
D.
for
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