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【单选题】
核酸分子中的特征元素为A.
碳
B.
磷
C.
氧
D.
氮
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反馈参考答案：
举一反三
【简答题】阅读理解。 My brother is twenty-five this year. He is now a worker in a factory. The factory is not near our home, so he gets up early every morning, then he goes to work by bus. At about seven fifty, he g...
【单选题】The ve t e ra n workers in the factory liked the author's father b ecause the young man was ?
A.
a
B.
b
C.
c
D.
d
【单选题】If the Production Department is the cost object, the salary of the factory supervisor is a(n) ________ cost for the department. If the product made in the factory is the cost object, the salary of the...
A.
direct; indirect
B.
indirect; direct
C.
direct; direct
D.
indirect, indirect
【单选题】The factory near the seaside was closed down as a(n) ________ of the terribly bad management and fund shortage.
A.
summary
B.
consequence
C.
conclusion
D.
effect
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