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【简答题】
补全对话。 A. Which hotel do you want to live in? B. Which path would you like to choose? C. Sure. D. Will you please fill in this form? E. it's not expensive A: Morning! What can I do for you? B: We'd liketomake a trip for a weekend holiday, please. A: There are many travel paths. 1 B: We'd like to choose Jinggang mountains. A: It's really worth visiting. 2 B: We're not sure. Which hotel do you think is comfortable? A: The Holiday Hone is very good. What's more important, 3 B: We don't want to live in an expensive hotel. That's what we'll do. A: 4 ? B: OK. I'll ask my wife to fill in this form. By the way, is it all right if we pay by credit card? A: 5 . Enjoy your weekend. B: Thank you.
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【简答题】简述3DP工艺与SLS工艺的异同点。
【简答题】若不等式:kx 2 -2x+6k<0(k≠0) ①若不等式解集是{x|x<-3或x>-2},试求k的值; ②若不等式解集是R,求k的取值范围.
【简答题】(12分)设关于 的不等式 (1)当 时,解这个不等式; (2)若不等式解集为 ,求 的取值范围;
【简答题】解不等式,并将不等式解集表示在数轴上。 ﹣4<﹣
【简答题】设关于x的不等式log 2 (|x|+|x-4|)>a (1)当a=3时,解这个不等式; (2)若不等式解集为R,求a的取值范围.
【单选题】药品生产企业洁净室内噪声应控制在
A.
60db以下
B.
70db以下
C.
80db以下
D.
90db以下
E.
50db以下
【简答题】若不等式kx 2 -2x+6k<0(k≠0)。 (1)若不等式解集是{x|x-2},求k的值; (2)若不等式解集是R,求k的取值。
【简答题】已知关于x的不等式 x+2 x 2 -(1+a)x+a >0 (1)当a=2时,求不等式解集; (2)当a>-2时,求不等式解集.
【单选题】Many electric car owners consider the debate over charging points all a bit of a fuss. {A; B; C}
A.
许多电动车车主都认为充电点很吵闹。
B.
许多电动车车主都为充电点在争论。
C.
许多电动车车主都认为争论充电点有点大惊小怪。
【判断题】黑色脸谱代表刚强、骁勇、有心计的人物性格。
A.
正确
B.
错误
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