1.选择题- (共17题)
1.甲乙两种商品在过去一段时间内的价格走势如图所示，假设某人持有资金120万元，他可以在t1至t4的任意时刻买卖这两种商品，且买卖能够立即成交（其他费用忽略不计），那么他持有的资金最多可变为（ ）
9.给出四个命题：
①各侧面都是全等四边形的棱柱一定是正棱柱；
②对角面是全等矩形的六面体一定是长方体；
③有两侧面垂直于底面的棱柱一定是直棱柱；
④长方体一定是正四棱柱．
其中正确的命题个数是（ ）
13.下面四个命题：
①若直线a，b异面，b，c异面，则a，c异面；
②若直线a，b相交，b，c相交，则a，c相交；
③若a∥b，则a，b与c所成的角相等；
④若a⊥b，b⊥c，则a∥c．
其中真命题的个数为（ ）
14.下面四个命题：
①若直线a，b异面，b，c异面，则a，c异面；
②若直线a，b相交，b，c相交，则a，c相交；
③若a∥b，则a，b与c所成的角相等；
④若a⊥b，b⊥c，则a∥c．
其中真命题的个数为（ ）
17.狄利克雷是德国著名数学家，函数D（x）= {#mathml#}{#/mathml#} 被称为狄利克雷函数，下面给出关于狄利克雷函数D（x）的五个结论：
①若x是无理数，则D（D（x））=0；
②函数D（x）的值域是[0，1]；
③函数D（x）偶函数；
④若T≠0且T为有理数，则D（x+T）=D（x）对任意的x∈R恒成立；
⑤存在不同的三个点A（x1，D（x1）），B（x2，D（x2）），C（x3，D（x3）），使得△ABC为等边角形．
其中正确结论的序号是{#blank#}1{#/blank#}．
2.单项选择- (共17题)
18.
We look forward to the day when the car will be replaced by some less dangerous_____ of transport.
| A．methods | B．means |
| C．manners | D．ways |
19.
The ____________ of news that a flood is coming is a staff working in the weather bureau.
| A．resource | B．origin |
| C．root | D．source |
20.
Young as he is, David has gained ___________ rich experience in ___________ society.
| A．the; the | B．a; 不填 |
| C．不填; 不填 | D．不填; the |
21.
The news that China is _________ its family planning policy has caused a heated discussion in China, and the new policy will _________ about 15 to 20 million people, only half of whom are actually willing to have a second child.
| A．relaxing; apply to | B．loosening; adjust to |
| C．arguing; refer to | D．delivering; adapt to |
22.
The young backpacker always________at the youth hotel when he’s in Kathmandu.
| A．puts up | B．sets down |
| C．comes about | D．takes up |
23.
Leeanne Carlson wanted $ 20 million for his large house with two gardens, but he _______ $ 10 million.
| A．settled for | B．settled down |
| C．settled on | D．settled in |
24.
In manufacturing, cheaper materials are constantly being for the better, more expensive kind.
| A．maintained | B．cancelled |
| C．substituted | D．deposited |
25.
After Chang’e-3 landed on the moon on Dec 14, China became the third country _________ this after the US and the former Soviet Union.
| A．having achieved | B．achieving |
| C．achieved | D．to have achieved |
26.
Every time Gina catches her employees ____________ time, she reminds them that time is money.
| A．to waste | B．wasting |
| C．wasted | D．waste |
27.
I have no idea of what is in fashion nowadays, so my choice might be quite ____ .
| A．abundant | B．arbitrary |
| C．considerate | D．aggressive |
28.
---Excuse me, has the train from Beijing arrived yet?
--- ________, you are three quarters earlier. It's only 9 now.
--- ________, you are three quarters earlier. It's only 9 now.
| A．Unconsciously | B．Instantly |
| C．Absolutely | D．Actually |
29.
The speed limit for bicycles on campus is 15 mph, ___________ otherwise posted.
| A．unless | B．until |
| C．since | D．however |
30.
Nearly three months had gone by _________ the seriously injured girl showed a slight sign of recovery.
| A．until | B．before |
| C．since | D．after |
31.
The soldiers soon reached ________ was once an old temple ________ the villagers used as a school.
| A．which, where | B．where, which |
| C．what, which | D．what, where |
32.
The teacher left word with our monitor ___________ she would explain the problem again next time.
| A．who | B．which |
| C．as | D．that |
33.
Officials from China and France formally promised on Thursday to build a new type of economic partnership, while ________ business cooperation.
| A．strengthened | B．to strengthen | C．strengthening | D．strengthen |
试卷分析
-
【1】题量占比
选择题:(17道)
单项选择:(17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：4
5星难题：0
6星难题：10
7星难题：0
8星难题：3
9星难题：0