1.选择题- (共3题)
1.已知A(x1,f(x1),B(x2,f(x2))是函数f(x)=2sin(ωx+φ)(ω>0,﹣ {#mathml#}{#/mathml#} <φ<0)图象上的任意两点,且初相φ的终边经过点P(1,﹣ {#mathml#}{#/mathml#} ),若|f(x1)﹣f(x2)|=4时,|x1﹣x2|的最小值为 {#mathml#}{#/mathml#} .
(Ⅰ)求函数f(x)的解析式;
(Ⅱ)当x∈[0, {#mathml#}{#/mathml#} ]时,求函数f(x)的单调递增区间;
(Ⅲ)当x∈[0, {#mathml#}{#/mathml#} ]时,不等式mf(x)+2m≥f(x)恒成立,求实数m的取值范围.
2.已知A(x1,f(x1),B(x2,f(x2))是函数f(x)=2sin(ωx+φ)(ω>0,﹣ {#mathml#}{#/mathml#} <φ<0)图象上的任意两点,且初相φ的终边经过点P(1,﹣ {#mathml#}{#/mathml#} ),若|f(x1)﹣f(x2)|=4时,|x1﹣x2|的最小值为 {#mathml#}{#/mathml#} .
(Ⅰ)求函数f(x)的解析式;
(Ⅱ)当x∈[0, {#mathml#}{#/mathml#} ]时,求函数f(x)的单调递增区间;
(Ⅲ)当x∈[0, {#mathml#}{#/mathml#} ]时,不等式mf(x)+2m≥f(x)恒成立,求实数m的取值范围.
3.某同学用“五点法”画函数f(x)=Asin(ωx+φ) {#mathml#}{#/mathml#} 在某一个周期内的图象时,列表并填入了部分数据,如表:
ωx+φ | 0 | {#mathml#}{#/mathml#} | π | {#mathml#}{#/mathml#} | 2π |
x |
| {#mathml#}{#/mathml#} |
| {#mathml#}{#/mathml#} | |
f(x)=Asin(ωx+φ) | 0 | 5 |
| ﹣5 | 0 |
2.单项选择- (共6题)
4.
__________ English has changed a lot over time and __________ English spoken between about AD 450 and 1150 was quite different.
A./; the | B./; / | C.The; / | D.The; the |
5.
The boss insisted that the task _______before 5 o’clock this afternoon.
A.was finished | B.finished | C.be finished | D.should finish |
6.
—Does he know how to work out the problem?
—Yes, he has _______ a good idea to solve it.
—Yes, he has _______ a good idea to solve it.
A.caught up with | B.kept up with | C.come up with | D.put up with |
7.
The collected money should be made good use __________the people who suffered a lot in the earthquake.
A.of helping | B.to help | C.to helping | D.of to help |
8.
Thank you for persuading my mother _______ the army.
A.let me join | B.letting me join | C.to let me join | D.to let me to join |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(6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:1
7星难题:0
8星难题:5
9星难题:0