1.选择题- (共5题)
3.设函数f(x)=2ax﹣ +lnx,若f(x)在x=1,x= 处取得极值,
(Ⅰ)求a、b的值;
(Ⅱ)求f(x)在[ ,2]上的单调区间
(Ⅲ)在[ ,2]存在x0,使得不等式f(x0)﹣c≤0成立,求c的最小值.
(参考数据:e2≈7.389,e3≈20.08)
4.设函数f(x)=2ax﹣ +lnx,若f(x)在x=1,x= 处取得极值,
(Ⅰ)求a、b的值;
(Ⅱ)求f(x)在[ ,2]上的单调区间
(Ⅲ)在[ ,2]存在x0,使得不等式f(x0)﹣c≤0成立,求c的最小值.
(参考数据:e2≈7.389,e3≈20.08)
2.单项选择- (共11题)
6.
Do you still remember the chicken farm _______ we visited last year?
A.where | B.when | C.that | D.what |
7.
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
A.who | B.which | C.that | D.what |
8.
Whether we can finish the task on time or not will _______ the weather.
A.depend on | B.carry on | C.switch on | D.go on |
9.
_____ from the mountain, the town is very beautiful.
A.Being seen | B.It was seen | C.Seen | D.Seeing |
10.
One thousand people died in the disaster, two hundred and fifty-five children ____.
A.were included | B.including | C.include | D.included |
11.
Jack had to call a taxi because the box was _______ heavy to carry all the way home.
A.too much | B.so much | C.far too | D.so far |
12.
The teacher had a _______ look when he found that none of his students had finished his homework.
A.shocking | B.shocked | C.bored | D.boring |
14.
We were going out for a Christmas meal together ____ the accident happened.
A.unless | B.until | C.while | D.when |
15.
I will keep on trying, ______ I might fail a thousand times.
A.while | B.as if | C.even if | D.otherwise |
试卷分析
-
【1】题量占比
选择题:(5道)
单项选择:(11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:10
7星难题:0
8星难题:0
9星难题:0