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【判断题】
Linear programming models yield the optimal solution.A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】下列选项中哪些是管理者为技术活动分配资源过程中存在的难题（）
A.
创新项目的商业计划难以制定
B.
技术投资对公司特有的无形资产的潜在贡献评估困难
C.
不确定性问题难以处理
D.
行业门槛高，竞争激烈
【单选题】Throughout______ history, ______ English language is made up of the rules each group of people brought to Britain with them.
A.
the, the
B.
/,the
C.
the,/
D.
/,/
【单选题】Whoever invented______ wheel is believed to have made______ most useful invention in______ history.
A.
a; the /;
B.
the; the; /
C.
the;. /; /
D.
a; a; the.
【单选题】What made the history lecture so interesting?
A.
It was about American women instead of the American revolution,
B.
The professor talked about a trip and he was challenged.
C.
The professor made a good speech.
D.
The professor was challenged by a student by his lack of knowledge of female historical character.
【单选题】_______, women have changed history in terms of the contributions they have made.
A.
To some extent
B.
In conclusion
C.
In addition
D.
As a whole
【单选题】Obama made _______ history by being elected as ________ first black president of the US.
A.
不填；the
B.
a; the
C.
a; a
D.
the; a
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