（16分）姜堰人民商场为使销售空调和冰箱获得的总利润达到最大，对即将出售的空调和冰箱相关数据进行调查，得出下表：
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解：设空调和冰箱的月供应量分别为
台，月总利润为
百元
则
………………………………………6分
作出可行域……………………………………………………………………………9分
，
纵截距为
，
斜率为k=
，
满足
欲最大，必最大，
此时，直线
必过图形
的一个交点（4，9），
分别为4，9
∴空调和冰箱的月供应量分别为4、9台时，月总利润为最大………16分
根据对话内容, 从对话后的选项中选出能填入空白处的最佳选项, 并将答案写在二卷对应位置（否则不予给分）, 选项中有两项多余选项。 -- Hello, this is Susan Wilson. May I speak to Greg Robinson, please? -- Hi, Susan! ___小题1:___. What can I do for you? -- Well. I’m calling to tell you about the theatre group I belong to, the Princeton Players. We’re looking for more people to join, especially men. 小题2: . -- Oh, you know how much I love acting, but I’m taking some very hard courses. I might be able to learn may part, but 小题3: . -- Well, actually, we rehearse only one night a week, Thursday, from 7 to 10, though we would have to pit in extra time before a performance. -- Only once a week, you say? 小题4: . -- Sure. But look, why don’t you come and watch our rehearsal next Thursday? I think you will like the way we work. When you see how much fun it is, you’ll want to join right sway. -- OK, I’ll come to a rehearsal, 小题5: . -- Great! I’ll give you a call on Wednesday to remind you. Talk to you then. Bye for now. -- Bye, Susan.
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