1.选择题- (共11题)
(Ⅰ)若数列1,x,y,7为“U﹣数列”,写出所有可能的x,y;
(Ⅱ)若“U﹣数列”A:a1,a2,…,an中,a1=1,an=2017,求n的最大值;
(Ⅲ)设n0为给定的偶数,对所有可能的“U﹣数列”A:a1,a2,…,an0,记M=max{a1,a2,…,an0},其中max{x1,x2,…,xs}表示x1,x2,…,xs这s个数中最大的数,求M的最小值.
(Ⅰ)若数列1,x,y,7为“U﹣数列”,写出所有可能的x,y;
(Ⅱ)若“U﹣数列”A:a1,a2,…,an中,a1=1,an=2017,求n的最大值;
(Ⅲ)设n0为给定的偶数,对所有可能的“U﹣数列”A:a1,a2,…,an0,记M=max{a1,a2,…,an0},其中max{x1,x2,…,xs}表示x1,x2,…,xs这s个数中最大的数,求M的最小值.
(Ⅰ)求f(x)的单调区间;
(Ⅱ)求证:1是g(x)的唯一极小值点;
(Ⅲ)若存在a,b∈(0,π),满足f(a)=g(b),求m的取值范围.(只需写出结论)
—It's getting late. I really _____go now, my daughter is home alone.
—It's getting late. I really _____go now, my daughter is home alone.
—Not really. She ___us clear directions and we were able to find it easily?
—Not really. She ___us clear directions and we were able to find it easily?
2.单项选择- (共10题)
—Yes, I did. We ________ each other since we graduated from college.
A.haven't seen | B.didn't see |
C.hadn't seen | D.wouldn't see |
A.hunted | B.are hunted |
C.are being hunted | D.had been hunted |
A.has been doing | B.has done |
C.did | D.had done |
A.invite | B.were invited |
C.have been invited | D.had been invited |
—It wasn't me. I didn't do it.
A.was breaking | B.is breaking |
C.has broken | D.had broken |
—Not yet, Tim. I ________ where to go for dinner.
A.was wondered | B.was wondering |
C.will wonder | D.had wondered |
A.has served | B.had served |
C.is serving | D.served |
A.had intended | B.intended |
C.have intended | D.were intending |
A.see to | B.will see to |
C.would be seeing to | D.have seen to |
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【1】题量占比
选择题:(11道)
单项选择:(10道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:1
5星难题:0
6星难题:9
7星难题:0
8星难题:0
9星难题:0