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【单选题】Pollution: A Life and Death Issue One of the main themes of Planet under Pressure is the way many of the Earth's environmental crises reinforce one another. Pollution is an obvious example-we do not h...
A.
3 million
B.
2.1 million
C.
1.6 million
D.
3.2 million
【简答题】There are two kinds of air waybills：one is signed by airline companies and the other one is signed by air transportation companies．（ ）
【单选题】In one project of software engineering, the issue that adding more people will not lead to corresponding rise of productivity.
A.
the time that we wait during the process of working
B.
complexity of constructing prototype model
C.
the number of stations that we need
D.
communication complexity among people
【简答题】Combine the two sentences into one, using so or such. This issue was of importance. We could
not afford to ignore it.
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