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25. ------Have you been wasting time on computer games again?

　 ------______. I’ve been studying a lot and I need a break.

　 A. No way　　　 B.Not really　　　 C.I don’t agree　　 D.I couldn’t agree more

24. The hunter calmly picked up his gun,took the aim and fired, ______ the beast.

　　 A.bringing down B.pulling down　 C.falling dowing　 D.putting down

23.Hearing that most of the members voted against her, she ______ a smiile.

　　 A.wore　　　　 B. managed　　 C.performed　　trolled

22. It is a strange phenomenon that some young people today think it is their parents’responsibility to earn money and_______ to spend it.

　　 A.them　　　　 B.they　　　　 C.their　　　　 D.theirs

第一節(jié)　　　　 單項(xiàng)填空(共15小題；每小題1分，滿(mǎn)分15分)

從A、B、C、D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)。

21.. Department of Homeland Security and CIA produced ______ joint report on Monday warning that ______ next 911 could in fact occur on ______ different date.

　　 A.the; a; the　 　B.a; the; a　　 C./; the; the　　 D.a; /; the

24.幾何證明選講(題略)

解:

23. 已知對(duì)于任意非零實(shí)數(shù)，不等式恒成立，求實(shí)數(shù)的取值范圍。

22.已知曲線C的極坐標(biāo)方程是，以極點(diǎn)為平面直角坐標(biāo)系的原點(diǎn)，極軸為X軸的正半軸，建立平面直角坐標(biāo)系，直線的參數(shù)方程是：，求直線與曲線C相交所成的弦的弦長(zhǎng).