七年级的两名爱好数学的学生，在学完第三章《一元一次方程》后，一位同学对另一个同学说：“方程2-
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2-
=x-1 3
+3-x1-x 2
12-2（x-1）=3（1-x）+6（3-x）
解得：x=1．
把x=1代入方程4-
=3k-kx+2 3
得：2-2x 4
4-
=3k-k+2 3
，2-2 4
12-k-2=9k，
解得：k=1．
故选C．
根据下面的对话内容，从对话前方框中的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。（共5小题；每小题1分，满分5分）
A：Hi，Jim！小题1:_______ What are you going to do? B：I’ve no idea. 小题2:________ A：I’m going to work on my uncle’s farm. Would you like to come with me? B：I’d love to very much. 小题3:______ A：About 15 kilometres. We can go there by bus. B：When are we going to leave? A：小题4:_______ It will take us about half an hour to get there. B：小题5:_____ Then we can work there longer. A：OK. Let’s make it six thirty then. B：Great! Where shall we meet? A：Let’s meet at the bus stop. B：All right. See you then. A：See you tomorrow. |