1.选择题- (共10题)
8.已知关于x的方程:x2+2(a﹣1)x+2a+6=0.
(Ⅰ)若该方程有两个不等实数根,求实数a的取值范围;
(Ⅱ)若该方程有两个不等实数根,且这两个根都大于1,求实数a的取值范围;
(Ⅲ)设函数f(x)=x2+2(a﹣1)x+2a+6,x∈[﹣1,1],记此函数的最大值为M(a),最小值为N(a),求M(a),N(a)的解析式.
2.单项选择- (共10题)
11.
(2014·河南郑州高中毕业年级质量预测)Helen has been looking for a job over the whole year,feeling she can’t get________without work experience.
A.one | B.it |
C.that | D.this |
12.
Mary felt from the outside world, since she lacked an Internet connection and couldn’t receive any e-mail.
A.cut down | B.cut in | C.cut off | D.cut out |
13.
(2014·四川省南充市第一次适应性考试)With proper measures,the economy in China is beginning to ________again.
A.break up | B.pick up |
C.put up | D.take up |
14.
While working outdoors, Linda was ________ by the heat and fell to the ground, unconscious.
A.astonished | B.depressed |
C.overcome | D.hit |
15.
(2013·江苏三校4月阶段考试)The plan put forward at the meeting is________perfect;there’s still much room to improve.
A.close to | B.next to |
C.far from | D.out of |
16.
(2011·浙江卷)I’ve been writing this report________for the last two weeks,but it has to be handed in tomorrow.
A.finally | B.immediately |
C.occasionally | D.certainly |
17.
Provide your doctor with a detailed medical history ________ he can give you accurate treatment.
A.even if | B.in case |
C.so that | D.as though |
18.
(2013·山师大附中高考模拟)Jack ________ the test for further study in the USA. Let’s have a party to congratulate him.
A. passes B. has passed
C. has been passing D. had passed
A. passes B. has passed
C. has been passing D. had passed
19.
(2014·宝鸡三检)By the time the girl comes back to life,scientists probably________a cure for this incurable disease.
A.will have discovered | B.are discovering |
C.will be discovering | D.have discovered |
试卷分析
-
【1】题量占比
选择题:(10道)
单项选择:(10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:9
7星难题:0
8星难题:1
9星难题:0