1.选择题- (共5题)
1.已知函数f（x）=|x2+ax+b|在区间[0，c]内的最大值为M（a，b∈R，c＞0位常数）且存在实数a，b，使得M取最小值2，则a+b+c={#blank#}1{#/blank#}．
2.
已知f（x）是定义在R上的单调递增函数，则下列四个命题：
①若f（x0）＞x0，则f[f（x0）]＞x0；
②若f[f（x0）]＞x0，则f（x0）＞x0；
③若f（x）是奇函数，则f[f（x）]也是奇函数；
④若f（x）是奇函数，则f（x1）+f（x2）=0⇔x1+x2=0，其中正确的有（ ）
3.
已知f（x）是定义在R上的单调递增函数，则下列四个命题：
①若f（x0）＞x0，则f[f（x0）]＞x0；
②若f[f（x0）]＞x0，则f（x0）＞x0；
③若f（x）是奇函数，则f[f（x）]也是奇函数；
④若f（x）是奇函数，则f（x1）+f（x2）=0⇔x1+x2=0，其中正确的有（ ）
5.已知实数x，y满足x2+y2﹣6x+8y﹣11=0，则 {#mathml#}{#/mathml#} 的最大值={#blank#}1{#/blank#}，|3x+4y﹣28|的最小值={#blank#}2{#/blank#}
2.单项选择- (共10题)
6.
Even if they are on sale, these air-conditioners are equal in price to , if not more expensive than , ______ , at the other store.
| A．anyone | B．the others | C．that | D．the ones |
7.
It’s incredible that you made ______ mistake alike for ______ third time. How can you be so forgetful?
| A．a; a | B．a ; / | C．the ; the | D．the ; / |
8.
——You see how thin Ann is!
——She ______ gain some weight but she______ too little.
——She ______ gain some weight but she______ too little.
| A．would; ate | B．will ; eats |
| C．would ; has eaten | D．will ; is eating |
9.
So far, about 40 houses have fallen down under the weight of the snow, with 22 people _____.
| A．reported injured | B．reported injuring |
| C．reporting injured | D．reporting injuring |
10.
—— Are there any tickets left ?
——Sorry, There are ______ if____.
——Sorry, There are ______ if____.
| A．few; any | B．a few; some | C．some; few | D．any; some |
11.
It was quite a long time ______ I figured out what had happened to the manager.
| A．after | B．before | C．when | D．since |
12.
——I’m sorry to interrupt you. Please go on.
——Where was I?
——You ______ you didn’t like going shopping alone..
——Where was I?
——You ______ you didn’t like going shopping alone..
| A．had been saying | B．had said | C．said | D．were saying |
13.
——Jessica, may you attend the summit held in sanya this Wednesday?
——I’m afraid not. I ______ with a client about his father’s will.
——I’m afraid not. I ______ with a client about his father’s will.
| A．am about to arrange | B．shall be arranging |
| C．would arrange | D．would have arranged |
14.
Liu Zhuiheng , ______ is suspected of setting off an explosion at a tax office on July 30 in Hunan Province , ______ four people were killed and 19 injured , is taken into police custody(拘留) in Changsha in this undated photo.
| A．that ; in which | B．that ; where | C．who ; in which | D．who ; which |
试卷分析
-
【1】题量占比
选择题:(5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：1
5星难题：0
6星难题：9
7星难题：0
8星难题：0
9星难题：0