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【单选题】
10【例题1·单选】某双代号时标网路计划如下图，工作G的最迟开始时间是第（）天。A.
4
B.
5
C.
6
D.
7
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【单选题】Consider Figure 5.6. In the global market for wine, the EU is willing to supply as much wine as the US demands at $8 per bottle. IF the US imposes a quota of 15 bottles of wine, how much wine will US ...
A.
30 bottles, 20 bottles, 10 bottles
B.
40 bottles, 25 bottles, 15 bottles
C.
30 bottles, 30 bottles, 0 bottles
D.
30 bottles, 15 bottles, 15 bottles
【单选题】以下检索式，哪个检索结果最多？
A.
ti=((straw* or stalk*) and fermentation and (ethanol or bioethanol))
B.
ti=((straw* or stalk*) and fermentation and (ethanol* or bioethanol*))
C.
ts=((straw* or stalk*) and fermentation and (ethanol* or bioethanol*))
D.
ts=((straw* or stalk*) and fermentation and (ethanol or bioethanol))
【单选题】(Figure: Wine and Wheat) Using the graph, if this economy is producing at point A, we know the economy is:
A.
using its resources efficiently.
B.
using its resources inefficiently.
C.
producing at an unattainable point.
D.
trading with another country.
【简答题】The students all say there may be _______(many) cars on the roads.
【单选题】以下检索式，哪个检索结果最多？
A.
TI=((straw* or stalk*) and ferment* and (ethanol or bioethanol))
B.
TI=((straw* or stalk*) and ferment* and (ethanol* or bioethanol*))
C.
TS=((straw* or stalk*) and ferment* and (ethanol* or bioethanol*))
D.
TS =((straw* or stalk*) and ferment* and (ethanol or bioethanol))
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