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【单选题】
钻头直径大于13mm时,柄部一般做成A.
直柄
B.
锥柄
C.
D.
直柄和锥柄都有
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【简答题】阅读理解。 Playworld is a large theme park just outside New York. We employ hundreds of people and are still growing. We provide entertainment of many kinds: shows, parades, rollercoasters, carrousels , an...
【单选题】How do Mr. Gentry and Ms. Kuhn probably know each other?
A.
Ms. Kuhn is Mr. Gentry's IT client.
B.
They are employees of the same company.
C.
They went to the same university.
D.
Mr. Gentry is an old friend of Ms. Kuhn.
【简答题】试找出非线性规划问题 的极大点，然后写出其Kuhn-Tucker条件，这个极大点满足Kuhn-Tucker条件吗？试加以说明。
【判断题】Pessimists do much better in school and ar work, age well and live longer.
A.
正确
B.
错误
【单选题】Why did three German Nobel Laureates (Richard Kuhn, Adolf Butenandt and Gerhard Domagk) decline the Prize?
A.
They were too busy to accept.
B.
They had a quarrel with Alfred Nobel that year.
C.
There is no disagreement in who played a major role in their work.
D.
Adolf Hitler forbade them from accepting.
【单选题】希腊语“His正确oria”的含义是()。
A.
研究历史和通过研究获得的技能。
B.
研究知识和通过研究获得的知识。
C.
研究历史和通过研究获得的理论。
D.
研究技能和通过研究获得的技能。
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