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【单选题】
1984年荷兰飞利浦公司成功研制出什么材料用于制各镍氢电池(MH-Ni),随后镍氢电池的研究取得了很大成果,对环境友好,它成为取代镍镉电池的理想产品。A.
海绵状金属镉
B.
氧化镍
C.
LaNi5储氢合金
D.
球形氢氧化镍
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皮皮学刷刷变学霸
举一反三
【判断题】Rational investors may be willing to choose an investment that has additional risk but does not offer additional reward.
A.
正确
B.
错误
【简答题】和 是气相色谱仪中最常用的检测器,其中, 属于浓度型检测器,属于质量型检测器是 。
【判断题】Investment banking is a financial service that has high complexity and high divergence.
A.
正确
B.
错误
【单选题】Its indicated in Paragraph 2 that a person who has made a bad investment is prone to_____.
A.
calculate the costs and profits before making a further step
B.
persuade others to believe that he has made a wise decision
C.
persist in putting more money into the project
D.
consult with some investment experts for advice
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