6.如果函数f (x)=ax(ax-3a2-1)(a>0且a≠1)在区间[0,+∞)上是增函数,那么实数a的取
值范围是
二 感悟解答
5. 函数的图象与x轴的交点至少有一个在原点的右侧,则实数m的取值范围为
4.(2007·山东淄博市)椭圆
=1的离心率为
,则m =
.
3.一条直线过点(5,2),且在x轴,y轴上截距相等,则这直线方程为
2. 若
,则
的取值范围是
1. 若
,且,则实数p的取值范围
是
从方框中的七个选项中选择适当的五个选项完成下面的对话,并将其番号填入相应的横线上。
|
A. It’s a dictionary. B. Thank you, Eric. C. No, it isn’t. D. Where’s my dictionary? E. What’s your name, please? F. Is my dictionary on the table? G. Excuse me. |
A:What’s that in the case?
B:(24)________
A:Is that your dictionary?
B:(25)_______ My dictionary is in my backpack.
A:Is that his dictionary?
B:I don’t know.
A:(26)______ Is that your dictionary?
C:Yes, it is. Thanks. (27)_______
A:My name is Eric Black.
C:I’m Jack, Jack Smith. (28)________
A:That’s OK.
24.__________ 25.__________ 26.__________ 27.__________ 28.__________
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V.书面表达。(共1题,5分)
请根据下列信息写出一则“失物招领”启示。今拾到钥匙一串,请联系Lucy,电话133211234。
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(命题人:聂义云 审题人:夏恬
西南师大附中2009-2010学年度上期期中考试
18. watch, your, this, is, in, lost, found, and, the, case (?) (连词成句) ( 2分)
_________________________________________________________
17. That jacket is orange.(同义句)
That is ______________ ______________ jacket.
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