题目

向一定量的Fe、FeO、Fe2O3、Fe3O4的混合物中加入150mL4 mol·L-1的稀硝酸恰好使混合物完全溶解,放出2.24LNO(标准状况),往所得溶液中加入KSCN溶液,无红色出现。若用足量的H2在加热条件下还原相同质量的混合物,所得到的铁的物质的量为 A.0.21mol                 B.0.25mol                  C.0.3mol                   D.0.35mol19、每空只填一个词,使对话完整正确。 A:What call I(1)        for you? B:Tomorrow is my mother’s birthday,I'm not(2)         what I have to buy for her. A:Look at those shoes over there. B:Oh,no,I don’t think she’ll(3)           them. A:What(4)       this handbag? B:Yes,it’s very nice.But I think it’s a little(5)        .Do you have a smaller one? A:Yes,(6)        you are.Is it all(7)        ? B:Yes.How(8)       is it? A:480yuan. B:That’s too expensive.Do you have a(9)         one? A:Yes.the one on the left is only 160 yuan. B:OK,I'll(10)          it.Here is the money. A:Thanks a lot. 评卷人 得分 五、完型填空 (每空? 分,共? 分)
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