问题
选择题
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答案
∵y=（
）x在R上为减函数，2 3
＞2 3
，∴(1 3
)2 3
＜(2 3
)2 3 1 3
∵y=x
在（0，+∞）上为增函数，2 3
＞2 3
＞0，∴(2 5
)2 3
＞(2 3
)2 5 2 3
∴(
)2 3
＞(1 3
)2 3
＞(2 3
)2 5 2 3
故选A
搜题请搜索小程序“爱下问搜题”
(
|
∵y=（
）x在R上为减函数，2 3
＞2 3
，∴(1 3
)2 3
＜(2 3
)2 3 1 3
∵y=x
在（0，+∞）上为增函数，2 3
＞2 3
＞0，∴(2 5
)2 3
＞(2 3
)2 5 2 3
∴(
)2 3
＞(1 3
)2 3
＞(2 3
)2 5 2 3
故选A
选择方框中的句子完成对话 (10分) A: Hi, Kate! How was your holiday last week? B: 小题1: A: Where did you go? B: I went to Kunming with my parents. A: Oh, do you mean the place 小题2: B: Yes, it is really wonderful! A: How long did you stay there? B: 小题3: A: Have you visited other places? B: 小题4: A: Lunan? Could you tell me something about it? B: 小题5: You can go and have a visit. A: I will if I have time.
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