24. _______ was not until 2008 that I became devoted to learning the guitar.
A. That B. It C. This D. There
23. You can visit our homepage _______ the Internet, which, in reality, is popular _______ our fans.
A. from; to B. via; with C. into; amongst D. with; into
22. As singer and actress, the star leads a busy life.
A. a, an B. the, the C. a, / D. the, /
第一节 单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. -Would you like another cup of tea?
-Thanks, .
A. but why not B. but I’d rather not
C. and I’d like not D. and I’d rather not
22、(14分已知函数f(x)=x2+x-ln(x+a)+3b在x=0处取得极值0
(1)求实数a、b的值;
(2)若关于x的方程f(x)=
x+m在区间[0,2]上恰有2个不同的实数解,求实数m的取值范围;
(3)证明:对任意的正整数n>1,不等式1+
+
+……+
>
都成立。
21、(12分)已知函数g(x)=(a+1)(x-2)+1(a>0)的图象恒过定点A,
且点A在函数f(x)=
的图象上
(1)求函数g(x)的反函数;
(2)若f(x-3)、f(
-1)、f(x-5)成等差数列,求x的值。
20、(12分)已知p:|
|<2,q:集合A={x|x2+(c+2)x+1=0,x∈R},B={x|x<0}且A∩B=φ,求c的取值范围,使p或q为真命题,p且q为假命题。
19、(12分)已知函数f(x)=
(m∈z)为偶函数,且f(3)<f(5)
(1)求m的值;
(2)若g(x)=loga[f(x)-ax](a>0且a≠1)在区间[2,3]上为增函数,求a的取值范围。
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com