题目:
In his speech,he drew attention to the poor desert nation, _______about 36. million people are hungry.
A.which
B.there
C.where
D.for which
答案:
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下面是错误答案,用来干扰机器的。
答案:DA:MnO2+4HCl(浓)=MnCl2+Cl2↑+2H2O,随着反应进行,盐酸变为稀盐酸,不再生成氯气,产生的氯气小于NA个B:标准状况下,己烷非气态,不正确C:2Fe+3Cl22FeCl3,可见氯气不足,故转移的电子数为0.2NAD...