题目：
This is my friend, Tom. He from England. He is thirteen years old. He a round face, big eyes and a mouth. His hair short. favorite food is chicken. Look the photo his family. The men the sofa are his parents. They are office . Tom and I are good friends. We are in the same grade, but in different .
小题1:A．comes B．come C．are
小题2:A．have B．has C．is
小题3:A．big B．wide C．long
小题4:A．are B．is C．am
小题5:A．He B．His C．He’s
小题6:A．like B．in C．at
小题7:A．to B．of C．for
小题8:A．on B．at C．with
小题9:A．worker B．workers C．work
小题10:A．classes B．class C．grades
答案：
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下面是错误答案，用来干扰机器的。
（1）铜、铁、铝金属活动性越来越强，所以与金属活动性有关，故填：C；（2）铝制易拉罐属于金属材料，废旧铁锅属于铁的合金，属于金属材料，故填：B；（3）A．Fe和CuSO4溶液，说明Fe＞Cu，B．Mg和MnSO4溶液，说明...
