1.选择题- (共14题)
1.如图,D是直角△ABC斜边BC上一点,AC= {#mathml#}{#/mathml#} DC.
(I)若∠DAC=30°,求角B的大小;
(Ⅱ)若BD=2DC,且AD=2 {#mathml#}{#/mathml#} ,求DC的长.
10.已知椭圆C: {#mathml#}{#/mathml#} =1(a>b>0)过点( {#mathml#}{#/mathml#} ,1),离心率为 {#mathml#}{#/mathml#} ,直线l:y=k(x+1)与椭圆C相交于不同的两点A,B.
2.单项选择- (共16题)
15.
If you are able to create a positive ______towards reading in your home ,your children will be more likely to seek out reading as a way to gain praise
A. belief | B. attitude | C. practice | D. habit |
16.
Cucumber contains a high content of vitamin C which is five times higher than _____of watermelon.
A. ones | B.it | C. that | D.those |
17.
____ wisest alternative is to work hard today in order that we will enjoy ____better tomorrow.
A. The;the | B. A ; a | C. The ; a | D. A ; the |
18.
Population experts say that by 2050 the world will have about 2 billion people aged over 60,____as today.
A.as three times | B. three times as many |
C. three times many | D. three times many as |
19.
You had better encourage your children to____some of their pocket money for future education .
A. put aside | B. put up | C. put off | D. put back |
20.
Interestingly, the pet dog has been____to carry newspapers for its master.
A. trained | B. checked | C. changed | D. turned |
21.
Wait for a while .I will get you something to drink.
Don’t ____.I have to leave now.
Don’t ____.I have to leave now.
A. worry | B. interrupt | C. disturb | D. bother |
22.
AsI ____the house ,I noticed a light on upstairs, which made me quicken my pace towards the doorway.
A. left | B. passed | C. entered | D. approached |
23.
Your life insurance should be enough to ____any funeral costs as well as debts that you may have accumulated.
A. adopt | B. hold | C. cover | D. load |
24.
China’s economy expanded 8.1 percent in the first quarter from a year earlier,___the slowest pace in almost three years.
A. marking | B. to mark | C. having marking | D. marked |
25.
This year the number of the US students ____in China has increased by 18.4percent compared to last year.
A. to study | B. studying | C. having studied | D. studied |
26.
Moreover,27.6 percent of those ____preferred reading on their mobile phones, which was 4.6 percent higher than last year.
A. surveying | B.to survey | C. surveyed | D. having surveyed |
27.
After being questioned by the police , he admitted ____in the supply of drugs over a 20-year period.
A. to be involved | B. being involved | C. involved | D. been involving |
28.
A car engine cannot run smoothly without motor oil.____ our body cannot function efficiently without vitamins.
A. fortunately | B. Gradually | C. Similarly | D. Confidently |
29.
So diffcult____it to fit in at school that she decided to drop out.
A.found she | B. did she find | C. she found | D. she did found |
试卷分析
-
【1】题量占比
选择题:(14道)
单项选择:(16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:3
5星难题:0
6星难题:13
7星难题:0
8星难题:0
9星难题:0