正确答案: A
颜色,状态
密度,硬度
氧化性,可燃性
熔点,沸点
题目:物质的下列的性质中,属于化学性质的是( )
解析:C
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举一反三的答案和解析:
[单选题]50.—could you take care of our dog while we are away?—__________
With pleasure
解析:50.A【解析】此题考查日常交际用语.由问句“我们不在时你能照顾一下我们的狗吗?”知选A。
[单选题]Which of the following is true for both bagels and donuts?
They both came from Europe.
[单选题]---- I haven’t seen Grace for a long time.---- I haven’t seen her, _____.
either
[单选题]68.
someone
解析:68.B【解析】从句部分是肯定的陈述句,故为some- one.