1.单选题- (共11题)

A.90 | B.75 | C.60 | D.45 |
33 21 18 34 29 78 64 56 07 32 52 42 06 44 38 12 23 43 56 77 35 78 90 56 42
84 42 12 53 31 34 57 86 07 36 25 30 07 32 86 23 45 78 89 07 23 68 96 08 04
32 56 78 08 43 67 89 53 55 77 34 89 94 83 75 22 53 55 78 32 45 77 89 23 45
A.607 | B.328 | C.253 | D.007 |
A.至少有1个白球,至少有1个红球 | B.至少有1个白球,都是红球 |
C.恰有1个白球,恰有2个白球 | D.至少有1个白球,都是白球 |
2.选择题- (共1题)
A: Good morning, Tina. Long time no see!{#blank#}1{#/blank#} ?
B: Yeah, I went to Beijing last month.
A: Great! And are you free now?
B: Yes.{#blank#}2{#/blank#}?
A: I am going to make some plans about the summer vacation. Can you give me some advice?
B:{#blank#}3{#/blank#} How about going to volunteer in the Old People's Home?
A:{#blank#}4{#/blank#}Can you join with me?
B: OK! I think we will have a good time. Oh, I have to finish my homework now. See you later!
A:{#blank#}5{#/blank#}
3.填空题- (共2题)
4.解答题- (共4题)

(I)求k的取值范围;
(II)若弦长|AB|=4,求直线





(I)求家庭的月储蓄y关于月收入x的线性回归方程



(II)若该居民区某家庭月收入为7千元,预测该家庭的月储蓄.(注:线性回归方程







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【1】题量占比
单选题:(11道)
选择题:(1道)
填空题:(2道)
解答题:(4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:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:17