1.选择题- (共7题)
1.已知椭圆C： {#mathml#}{#/mathml#} =1（a＞b＞0）的短轴长为2 {#mathml#}{#/mathml#} ，离心率为 {#mathml#}{#/mathml#} ，点F为其在y轴正半轴上的焦点．
（Ⅰ）求椭圆C的方程；
（Ⅱ）若一动圆过点F，且与直线y=﹣1相切，求动圆圆心轨迹C1的方程；
（Ⅲ）过F作互相垂直的两条直线l1，l2，其中l1交曲线C1于M、N两点，l2交椭圆C于P、Q两点，求四边形PMQN面积的最小值．
2.单项选择- (共8题)
8.
What a(n) _______ it is that the new couple were born in the same year and on the same day.
| A．acquaintance | B．consequence | C．circumstance | D．coincidence |
9.
He had been _______ good terms with Tom, but all of ____ sudden they lost in touch with each other.
| A．on ; a | B．in ; / | C．on ; the | D．in ; a |
10.
The police ______ his address and phone number in order to do further investigation.
| A．turned down | B．put down | C．left out | D．held out |
11.
--_______, we are going to play tennis on Saturday.
--But we have to first finish our task within the time ________.
--But we have to first finish our task within the time ________.
| A．If weather permits; allowing | B．If weather permitted; allowed |
| C．Weather permitting; allowing | D．Weather permitting; allowed |
12.
Tom was __________ a happy childhood, ______ most people would like to have.
| A．filled with; one | B．blessed with; one |
| C．covered with; which | D．laden with; which |
13.
Their sudden attack made us more ________ of the danger around us.
| A．familiar | B．particular | C．aware | D．doubtful |
14.
It is a shopping mall ______has been built in ______ used to be a school.
| A．which; where | B．that; what | C．which; that | D．that; where |
试卷分析
-
【1】题量占比
选择题:(7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：1
5星难题：0
6星难题：7
7星难题：0
8星难题：0
9星难题：0