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【单选题】
当工程网络计划的计算工期大于计划工期时，则（ ）。A.
双代号网络计划中关键节点的最早时间小于最迟时间
B.
单代号网络计划中关键工作的总时差等于自由时差
C.
双代号网络计划中关键工作的总时差大于或等于自由时差
D.
双代号网络计划中关键工作的总时差小于或等于自由时差
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【简答题】我们公司在全世界各个国家共有员工 28 万,是本地最大的跨国公司。
【判断题】The function of qigong is similar to that of t'ai chi in that both of them are aimed at ensuring the smooth flow of qi.
A.
正确
B.
错误
【单选题】The boy ______ blue trousers______.
A.
with; look cool
B.
in; looks cool
C.
with; looks cool
D.
in; look cool
【简答题】发动机若同时采用两种转换装置,通常二者放在同一外壳内,前后顺序为何?
【简答题】由于日月对地球隆起部分的引力作用,使得地球自转受到外力矩作用而发生地球旋转轴的进动现象,叫______________________。
【单选题】Why does the author say that even gold and silver were inconvenient if you had to buy some-thing expensive? 查看材料
A.
Because they are easy to steal.
B.
Because they are difficult for people to obtain.
C.
Because they are not easy to carry around.
D.
Because they themselves are expensive， too.
【单选题】The ratio of a country's exports plus imports to its total output (GNP or GDP):
A.
is known as the index of openness.
B.
provides a rough measure of the importance of international trade to that economy.
C.
if calculated for the United States would be quite low.
D.
All of the above.
【单选题】Why does the author say that even gold and silver were inconvenient if you had to buy something expensive?
A.
Because they are easy to steal.
B.
Because they are difficult for people to obtain.
C.
Because they are not easy to carry around.
D.
Because they themselves are expensive, too.
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