23. -Can you tell us what is important to a businessman?
- ________ information.
A. Collect B. Collected
C. Having collected D. Collecting
22. It was not what he said but the way ____ he said it that made all the people laugh.
A. in which B. which C. how D. in that
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. As a film star she was a success, but as a wife she was ________ failure, so their
marriage ended in ________ failure.
A. /; / B. /; a C. a; a D. a; /
8.(本小题满分12分)
某矩形花园,,,是的中点,在该花园中有一花圃其形状是以为直角顶点的内接Rt△,其中E、F分别落在线段和线段上如图.分别记为(),的周长为,的面积为。
(1)试求的取值范围;
(2)为何值时的值为最小;并求的最小值
福州八中2009-2010学年第二学期期末考试
7.(本小题满分14分)
已知点A、B、C的坐标分别为A(3,0)、B(0,3)、C(cosα,sinα),α∈(,)。
(1)若||=||,求角α的值;
(2)若·,求的值
6.已知向量,,则向量与的夹角是 。
5.函数的最大值是3,则最小值是_______________。