1875 年,法国化学家博德朗在分析闪锌矿时发现了一个新元素并命名为镓( Ga ),其性质与所预言的“类铝”惊人的相似。
A.
正确
B.
错误
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【简答题】A.People can make more money in stocks than in teaching. B.The proverb 'No pains, no gains' is confirmed. C.To become rich is every man's ambition. D.Being rich is not equal to being happy.