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【判断题】
运用大量观察法时,必须对研究对象的所有单位进行观察调查。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】John passed the exam. He didn't study very hard. The exam _______ difficult.
A.
can't have been
B.
must have been
C.
couldn't be
D.
might have been
【单选题】John has passed the exam. He is ________ of his success.
A.
pleased
B.
happy
C.
pround
D.
delighted
【单选题】All the new employees have passed the first training exam _____John.
A.
apart from
B.
besides
C.
except
D.
without
【单选题】Just a little more than absolutely necessary e.g. John barely passed the exam with 60%
A.
barely
B.
To get ahead
C.
To luck out
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