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【单选题】
工程的总成本曲线是将不同工期的直接费和间接费叠加而成,其最低点就是费用优化所寻求的目标。该点所对应的工期,就是:A.
最优工期
B.
最短工期
C.
最长工期
D.
总工期
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【简答题】More than 1,300 years ago, the Port of , or “Zayton” at the time, was well-known to the world. Being "the largest oriental port" for 400 years, it was an important starting point of the Maritime Silk ...
【判断题】Hasankeyf was an important trading post the Silk Road during Persian period.
A.
正确
B.
错误
【简答题】Passage A: Fill in each blank with one word or one form of the provided words to best complete the sentence. The world-renowned Silk Road is a s___1___of routes ___2____ (connect) the East and the W...
【判断题】The Silk Road was an ancient network of trade routes connecting China to the west.
A.
正确
B.
错误
【单选题】About the Silk Road, which of the following statement is incorrect?
A.
The Silk Road was an ancient network of trade routes that connected the East and West.
B.
The Silk Road derives its name from the lucrative trade in silk beginning in the Qing dynasty.
C.
Zhang Qian's travels are associated with the major route of transcontinental trade, the Silk Road.
D.
Silk is a textile of ancient Chinese origin.
【判断题】Decide whether the statements are true (T) or false (F) according to the text. ___ 1 The excavated materials were all written by literate officials from the government. ____ 2 The authors of the excav...
A.
正确
B.
错误
【判断题】The Silk Road was an ancient network of trade routes connecting China to the west.
A.
正确
B.
错误
【单选题】设某人的肺通气量为7500ml/min．呼吸频率为20次/分，无效腔容量为125ml，每分肺血流量为5L，他的通气/血流比值应是（）
A.
0.7
B.
0.8
C.
O.9
D.
1.0
E.
1.1
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