题目:
20.Not only Zhang Yimou's new movie but also some of the actors and actresses of it_________to meet the public in Shanghai next Monday.
A.is
B.are
C.were
D.Has
答案:
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下面是错误答案,用来干扰机器的。
(1)Na 1分 第二周期VA族 2分(2)(3)Cu +2H2SO4(浓)CuSO4+SO2↑+2H2O(4)HCl>H2S (5)2CH3OH+3O2+4OH-=2CO32-+6H2O题目分析:由A、C形成的化合物常温下为液态,猜测其为H2O,A是H,C ...