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【单选题】
物流科学赖以生存的先决条件是（ ）A.
商物分离
B.
制造业
C.
运输业
D.
仓储业
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皮皮学刷刷变学霸
举一反三
【单选题】Section A Directions: In this section, you'll hear five short conversations. After each conversation, a question will be asked about what was said. The conversation and question will be read only once...
A.
The performance was bad.
B.
The performance was excellent.
C.
He didn't go to the performance.
D.
He'd like to see it again.
【简答题】The percentage of the population growth in the 49 least developed countries is expected to be ______ in 50 years.
【单选题】A researcher wants to estimate the difference in the means of two populations. A random sample of 36 items from the first population results in a sample mean of 430. A random sample of 49 items from t...
A.
–30
B.
46
C.
43
D.
-13
【单选题】The population of China ______ more than one fifth of the total population in the world.
A.
is made up of
B.
makes up
C.
is made of
D.
makes of
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