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【单选题】
要考察全国工业企业的情况时，以下标志中属于不变标志的是（ ）A.
企业产值
B.
产业分类
C.
职工人数
D.
劳动生产率
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举一反三
【单选题】This, they argue, will be essential to the needs of a booming population in decades to come and avoiding starvation.
A.
meet
B.
meeting
C.
met
【单选题】Mom, _______ is my classmate, Michael. Michael, _______ is my mom. [ ]
A.
this, that
B.
this, this
C.
that, that
D.
that, this
【单选题】—Hello! May I speak to Michael? —________ Who is this? [ ]
A.
This is Michael speaking.
B.
Anything wrong?
C.
No, you can't speak.
D.
Are you Michael?
【简答题】A．Michael has been diving for nine years. B．Michael dives on holidays with his parents. C．Michael loves diving ever since he first tried it. D．Michael has never taken any diving courses.
【单选题】As to the greenhouse effect, the author
A.
shares the same view with the scientists
B.
is uncertain of its occurrence
C.
rejects it as being ungrounded
D.
thinks that it will destroy the word soon
【单选题】— Hello! May I speak to Michael? — ______ Who is that? [ ]
A.
This is Michael speaking.
B.
Anything wrong?
C.
No, you can't speak.
D.
Are you Michael?
【简答题】When the cover:diminishes in the coming decades,temperature_________
【单选题】(The population) of this small town has (more than) (doubled) it in the past (few decades).
A.
The population
B.
more than
C.
doubled
D.
few decades
【简答题】In the past decades there has been a big ______.
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