2016年成人高考高升本每日一练(4月5日)
在线测试本批《每日一练》试题,可查看答案及解析,并保留做题记录 >> 在线做题
单项选择题
1、 下列函数中,为偶函数的是 ( )
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2、
( )
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3、
( )
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4、 把一对骰子掷一次,得到l2点的概率是 ( )
A.1/7
B.1/6
C.1/12
D.1/36
5、 He spoke in such a high voice__________ at the farther end of the room.
A.as to be heard
B.to be heard
C.as to hear
D.to hear
6、函数y=sin 2xcos 2x的小正周期是
7、函数y=cos4x-sin4x的小正周期是
A.4π
B.2π
C.π
D.π/2
8、 --Did you write to Lily recently?
--No,but I __________ her at a meeting.
A.am seeing
B.will have seen
C.saw
D.had seen
简答题
9、 已知函数f(x)=ax3-x2+bx+1(a,b∈R)在x=0时取得极大值,在x=1时取得极小值.
(I)求a,b的值;
(Ⅱ)求曲线y=f(x)在x=3处的切线方程.
10、已知等差数列{an}中,a1=-60,a15=24,前n项和为Sn.
(I)求{an}的通项公式an;
(Ⅱ)n为何值时Sn小,并求出其小值.
1、 下列函数中,为偶函数的是 ( )

2、
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3、
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( )
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4、 把一对骰子掷一次,得到l2点的概率是 ( )
A.1/7
B.1/6
C.1/12
D.1/36
5、 He spoke in such a high voice__________ at the farther end of the room.
A.as to be heard
B.to be heard
C.as to hear
D.to hear
6、函数y=sin 2xcos 2x的小正周期是

7、函数y=cos4x-sin4x的小正周期是
A.4π
B.2π
C.π
D.π/2
8、 --Did you write to Lily recently?
--No,but I __________ her at a meeting.
A.am seeing
B.will have seen
C.saw
D.had seen
简答题
9、 已知函数f(x)=ax3-x2+bx+1(a,b∈R)在x=0时取得极大值,在x=1时取得极小值.
(I)求a,b的值;
(Ⅱ)求曲线y=f(x)在x=3处的切线方程.
10、已知等差数列{an}中,a1=-60,a15=24,前n项和为Sn.
(I)求{an}的通项公式an;
(Ⅱ)n为何值时Sn小,并求出其小值.