1.选择题- (共4题)
1.已知数列{an}的前n项和为Sn,向量 {#mathml#}{#/mathml#} =(Sn,1), {#mathml#}{#/mathml#} =(2n﹣1, {#mathml#}{#/mathml#} ),满足条件 {#mathml#}{#/mathml#} ∥ {#mathml#}{#/mathml#} ,
2.在直角梯形ABCD中,AD∥BC,∠A=90°,AB=2AD,若将△ABD沿直线BD折成△A′BD,使得A′D⊥BC,则直线A′B与平面BCD所成角的正弦值是{#blank#}1{#/blank#}.
3.经过双曲线 {#mathml#}{#/mathml#} ﹣ {#mathml#}{#/mathml#} =1(a>b>0)的右焦点为F作该双曲线一条渐近线的垂线与两条渐近线相较于M,N两点,若O为坐标原点,△OMN的面积是 {#mathml#}{#/mathml#} a2,则该双曲线的离心率是{#blank#}1{#/blank#}.
2.单项选择- (共8题)
8.
The question came up at the meeting_____ we had enough money for our research.
A. that B. which C. whether D. that if
A. that B. which C. whether D. that if
9.
Many of them turned a deaf ear to his advice, _______ they knew it to be valuable.
A.as if | B.even though | C.now that | D.so that |
10.
Animals suffered at the hands of Man ______ their homes were destroyed by people to make way for agricultural need to provide food for more people.
A.in which | B.for which | C.so that | D.in that |
11.
People from the West like to use such expressions as “please” and “thank you” in cases ______ some people in Asia may not think it necessary.
A.what | B.which | C.that | D.where |
试卷分析
-
【1】题量占比
选择题:(4道)
单项选择:(8道)
-
【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:8
7星难题:0
8星难题:0
9星难题:0