24. The high housing price has become a serious problem among young people in China, ____ the government hasn’t found a better solution to solve yet.
A. the one B. that C. one D. those
23. She let herself get into a _____ before the examination began.
A. condition B. situation C. state D. form
22. A doctor’s whole school education added up to ____ twenty years.
A. not more than B. more than C. many more than D. more than one
22、已知函數(shù)的圖像過點(diǎn),且函數(shù)的圖像關(guān)于y軸對(duì)稱。
⑴ 求的值及函數(shù)的單調(diào)區(qū)間。
⑵ 若,求函數(shù)在區(qū)間內(nèi)的極值。
南昌外國語學(xué)校2010-2011學(xué)年上學(xué)期
21、已知冪函數(shù)為偶函數(shù),且在區(qū)間上是單調(diào)遞減函數(shù)。
⑴ 求函數(shù)的解析式;
⑵ 討論的奇偶性。
20、設(shè)a為實(shí)數(shù),函數(shù)
⑴ 若,求a的取值范圍;
⑵ 求的最小值。
19、已知函數(shù)在處都取得極值。
⑴ 求的值;
⑵ 若對(duì),不等式總成立,求c的取值范圍。
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