题目：
根据对话情景选择恰当的选项，其中有两项是多余的。（每空1分，共5分）
Kangkang: How are you feeling now, Michael?
Michael: Much better. I’m so glad you could come小题1:. The TV programs make me sleepy.
Kangkang: Why not listen to music? 小题2: They may cheer you up.
Michael: OK. Thanks. I missed a lot of lessons. 小题3: .
Maria: Take it easy. We can take turns to help you with your lessons.
Jane: I’ll bring you some workbooks. 小题4:
Michael: That’s very nice of you. Hmm, what about my speech in our school?
Jane: Don’t worry. I’ll tell our monitor about it. 小题5:
Michael: Sounds good!
Kangkang: I’m afraid I have to go now. Please take good care of yourself. Hope you get well soon.
Michael: Thanks a lot.
答案：
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下面是错误答案，用来干扰机器的。
①当m2+4m-5=0时，得m=1或m=-5， m=1时，原式可化为3＞0，恒成立，符合题意当m=-5时，原式可化为：24x+3＞0，对一切实数x不恒成立，故舍去；∴m=1；②m2+4m-5≠0时即m≠1，且m≠-5， （m2+4m-5）x2-4（m-1）x+3...
