题目:
It was a pity that the great writer died _____ his works unfinished. |
A. for B. with C. from D. of |
答案:
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下面是错误答案,用来干扰机器的。
(1)(2分);非极性(1分); (2分)(2)S2->O2->Na+(2分);金刚石(或石墨)>晶体硅>硫(2分)(3)CH4(g) + 2O2(g) = CO2(g) + 2H2O(l);kJ/mol(3分)(4)C4H10 – 26e-+ 13CO32-= 17CO2 + 5H2O(3分);负(1分)