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確定,應(yīng)該慢慢處理這件事?!?雋不疑說:“各位怎么害怕衛(wèi)太子呢!以前蒯(kuǎi)聵逃命出奔,蒯輒拒不接納蒯聵返回衛(wèi)國,這是《春秋》上記載的。衛(wèi)太子得罪先帝,逃跑而不接受死刑,現(xiàn)在自己來到這里,這是罪人啊?!庇谑?,將他送進處理皇帝直接交辦案子的監(jiān)獄里。天子和大將軍霍光聽說后贊賞這件事,說:“公卿應(yīng)當(dāng)運用經(jīng)術(shù)明曉大義?!睆拇耍h不疑的名聲更大,在朝廷上更受到敬重,在官位的人都自己認為比不上他。大將軍霍光想把自己女兒嫁給他,雋不疑堅決推辭,不肯承受。過了很長時間,因病免去官職,死在家里。安徽分類考試招生數(shù)學(xué)仿真模擬試卷(含答案)一、選擇題(本大題共10小題,每題5分,共50分,在每小題給出的四個選項中,只有一項是符合題目要求的)1.全集,則 A. B. C.或 D.或2.“”是“”的 A.充分而不必要條件 B.必要而不充分條件 C.充要條件 D.既不充分也不必要條件3.設(shè)等差數(shù)列的前項和為,且,則 A.18 B.36 C.45 D.604.函數(shù)零點的個數(shù) A.1 B.2 C.3 D.無數(shù)個5.一個算法的程序框圖如圖所示,若該程序輸出的結(jié)果為,則判斷框中應(yīng)填入的條件是 A. B. C. D. 6.甲盒子中裝有2個編號分別為1,2的小球,乙盒子中裝有3個編號 分別為1,2,3的小球,從甲、乙個盒子中各隨機取一個小球,則 取出兩小球編號之和為奇數(shù)的概率為 A. B. C. D.7.過雙曲線左焦點的弦長為6,則(為右焦點)的周長是 A.12 B.14 C.22 D.288.中角、所對邊分別為、若,則面積的最大值為 A. B. C.1 D.29.設(shè)、是兩條不同的直線,、是兩個不同的平面,則下列命題正確是 A. B. C. D.10.,對使,則的取值范圍是 A. B. C. D.第Ⅱ卷二、填空題(本大題共7小題,每題4分,共28分)11.若復(fù)數(shù)為虛數(shù)單位)是純虛數(shù),則實數(shù)的值為___________。12.已知實數(shù)滿足,則的最大值為____________。13.如圖是2009年元旦晚會舉辦挑戰(zhàn)主持人大賽上,七位評委為某選手打出的分數(shù)的莖葉統(tǒng)計圖,去掉一個最高分和一個最低分后,所剩數(shù)據(jù)的方差為 _____________,14.如圖,測量河對岸的旗桿高時,選與旗桿底在同一水平面內(nèi)的兩個測點與,測得,,并在點測得旗桿頂?shù)难鼋菫?0176。,則旗桿高為______15.已知均為單位向量,且它們的夾角為60176。,當(dāng)取最小值時,___________。16.若某個多面體的三視圖如圖所示,那么該幾何體的集體為___________。17.已知則的解集是____________。三、解答題(本大題共5小題,共72分)18.已知且。 (I)求的值; (Ⅱ)當(dāng)時,求函數(shù)的最小值。19.如圖,在中,為邊上的高,沿將翻折,使得,得到幾何體。 (I)求證:; (Ⅱ)求與平面所成角的余弦值。20.已知數(shù)列,是其前項的和,且滿足 (I)求證:數(shù)列為等比數(shù)列; (Ⅱ)記,求的表達式。21.如圖,已知拋物線上縱坐標(biāo)為1的點到焦點的距離為,過點(1,0)做斜率為的直線交拋物線于兩點,點關(guān)于軸的對稱點為,直線交軸于點 (I)求的值; (Ⅱ)探究:當(dāng)變化時,點是否為定點?22.已知函數(shù)。 (I)當(dāng)時,求曲線在點處的切線方程; (Ⅱ)當(dāng)函數(shù)在區(qū)間上的最小值為時,求實數(shù)的值; (Ⅲ)若函數(shù)與的圖象有三個不同的交點,求實數(shù)的取值范圍。參考答案一、選擇題(本大題共10小題,每題5分,共50分)1.C 2.A 3.C 4.A 5.D6.B 7.D 8.B 9.B 10.A二、填空題(本大題共7小題,每題4分,共28分)11. 12.7 13. 14.15. 16.1 17.三、解答題(本大題共5小題,第18—20題個14分,第222題各15分,共72分)18.(I)因為 (4分) 所以 (6分) (Ⅱ)由(I)得,(10分) 因為,所以,所以 因此,函數(shù)的最小值為 (14分)19.(I)因為所以平面。 又因為平面,所以 ① (6分) (Ⅱ)在中,,由余弦定理, 得 因為,所以,即② (10分) 由①,②及,可得平面 (12分) 所以即為與平面所成的角。 在中, 因此,與平面所成角的余弦值為 (14分)20.(I)時。 (2分) 當(dāng)時,由 (1) 得 (2)(2)得 即, (5分) 又 就是首項為,公比為3的等比數(shù)列。 (8分)(Ⅱ)由(1)得即代入(1)得 = (14分)21.(I)當(dāng)時, ,得(Ⅱ)設(shè)直線方程為, 設(shè)則, 直線方程為 (6分) 令,則① (8分) 由 得,得 (12分)代入①得,所以點坐標(biāo)為 (15分)22.(I)因為,由題意 (2分) 即過點的切線斜率為3,又點 則過點的切線方程為: (5分) (Ⅱ)右題意令得或 (6分) 由,要使函數(shù)在區(qū)間上的最小值為,則 (i)當(dāng)時,當(dāng)時,當(dāng)時,所以函數(shù)在區(qū)間[0,1]上,即:,舍去 (8分) (ii)當(dāng)時,當(dāng)時,則使函數(shù)在區(qū)間上單調(diào)遞減, 綜上所述: (10分)(Ⅲ)設(shè) 令得或 (11分)(i)當(dāng)時,函數(shù)單調(diào)遞增,函數(shù)與的圖象不可能有三個不同的交點(ii)當(dāng)時,隨的變化情況如下表:1+0一0+極大極小欲使與圖象有三個不同的交點,方程,也即有三個不同的實根,所以 (13分)(iii)當(dāng)時,隨的變化情況如下表:1+0一0+極大極小由于極大值恒成立,故此時不能有三個解綜上所述 (15分)安徽分類考試招生英語模擬試題及答案單項選擇第一節(jié) 單項填空(共15小題;每小題1分,滿分15分)從A、B、C、D四個選項中,選出可以填入空白處的最佳選項。21. I smoke out of ____ habit, not for ____ pleasure。 for I have been in the habit for twenty years.A. a。 the B. the。 a C. x。 the D. x。 x22. His job is to sell the ____ carvings in the ____ department of the pany.A. wooden。 sales B. wood。 sales C. wood。 sale D. wooden。 sale23. My father ____ my brother for driving but he wanted to pick ____ the knowledge of the puter during his spare time.A. advised。 up B. persuaded。 out C. intended。 up D. managed。 out24. —Whose advice do you think I should take?—_______.A. You speak B. That39。s it C. It39。s up to you D. You got it25. ____ the youth ____ the rising sun at 8 or 9 o39。clock am, Mao Zedong expressed his great hope for the young men.A. Comparing。 with B. Compared。 to C. Compared。 with D. Comparing。 to26. Not far from the club, there was a garden, ____ owner seated in it playing bridge with his children every afternoon.A. whose B. its C. which D. that27. I haven39。 t seen Mary these past few days. I’ m afraid she ____ herself for some time.A. isn39。t feeling B. has not been feeling C. hadn39。t been feeling D. wasn39。t feeling28. Doing your homework is a sure way to improve your test scores, and this is especially true ____ it es to classroom tests.A. before B. since C. when D. after29. A love marriage, however, does not necessarily ____ much sharing of interests and responsibilities.A. take over B. result in C. hold on D. keep to30. The teacher came to the classroom and demanded ____ what had happened.A. his students to tell him B. being told C. telling him D. to be told31. There were many students and teachers at the party yesterday. I looked for two seats to sit down with my friend, Tim, but there were ____.A. neither B. nothing C. none D. no32. It is in Steven Spielberg39。 s first film, Jaws, ____ a big white shark attacks swimmers ____ are spending their holidays in a small village by the sea.A. where。 who B. which。 that C. that。 that D. where。 that33. —What do you think of the dinner in Mr. Brown39。s?—Oh, great! We have never had a better one. It39。s a dinner of twenty ____.A. drinks B. people C. tables D. courses34. The captain ordered the crew to throw ____ the side of the ship all heavy guns and even stores in order to raise the boat in the water.A. on B. through C. across D. over35. Knowing how long the test would last, the students who finished ____ back and waited until the end of the exam.A. settle B. settled C. settling D. to settle 該題考查冠詞的用法。