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第一节(共15小题,每小题1.5分,满分22.5分)

    听下面一段对话,回答第1至第2两个小题。

1.What language does the man speak?

    A.English, French and Chinese.

    B.English, Chinese and Korean.

    C.English, German and French.

2.How does the man practice his German?

    A.With a teacher.                         B.With a neighbor.      C.At a language school.

听下面一段对话,回答第3至第4两个小题。

3.Who loves watching the football program?

    A.The husband.      B.The wife.          C.The children.

4.When do the children watch TV?

    A.On the morning of Saturday.

    B.On the evening of Saturday.

    C.In the evening every day.

听下面一段对话,回答第5至第6两个小题。

5.Why is the man late?

    A.He ran into his sister.  

    B.His car broke down.  

    C.The traffic was heavy.

6.Who asked the man to call back?

    A.Tommy.        B.Bob.           C.His sister

听下面一段对话,回答第7至第8三个小题。

7.What’s the probable relationship between the two speakers?

    A.Boss and secretary. B.Police and witness.  C.Teacher and student.

8.What was the woman doing when the accident happened?

    A.Standing outside the bank.  

    B.Crossing the street. 

    C.Coming up York road.

9.What’s the speed of the car when the accident happened?

    A.10 miles per hour.   

    B.20 miles per hour.  

    C.30 miles per hour.

听下面一段对话,回答第10至第12三个小题。

10.Which film are the speakers going to see?

    A.Action Man 4.                         B.Mad Doctor Brown  C.Rex

11.What are they going to do first?

    A.Eating something. B.Seeing the film.    C.Meeting at the cinema.

12.When will the film begin?

    A.At 6 o’clock.                          B.At 18 o’clock.        C.At 8 o’clock.

听下面一段对话,回答第13至第15三个小题。

13.What’s the topic of the conversation?

    A.About smoking.                        B.About rights.      C.About health.

14.What’s the woman’s attitude toward smoking?

    A.Favorable.       B.Disapproval.      C.Neutral.

15.What’s the man’s opinion about smoking in public places?

    A.Smoking is bad for health.

    B.No one has the right to smoke.

    C.He has the right to smoke whenever he wants.

试题详情

5.(本小题满分14分)

    已知等比数列的前项和= 数列的首项为,且前项和满足=1().

  (1)求数列的通项公式;

  (2)求数列的通项公式;

  (3)若数列{项和为,问>的最小正整数是多少? .

试题详情

4.(本小题满分13分)

如图,已知的半径为1,点C在直径AB的延长线上,BC=1,点P是半圆上的一个动点,以PC为边作正三角形PCD,且点D与圆心分别在PC两侧.

  (1)若,试将四边形OPDC的面积y表示成的函数;

  (2)求四边形OPDC面积的最大值.

试题详情

3.(本小题满分13分)

    运货卡车以每小时x千米的速度匀速行驶130千米(40≤ x ≤80)(单位:千米/时).假设汽油的价格是每升6元,而汽车每小时耗油{007}升,司机的工资是每小时14元.

  (1)求这次行车总费用关于的表达式;

  (2)当为何值时,这次行车的总费用最低,并求出最低费用的值.

试题详情

2.设x,y满足约束条件 ,若目标函数z=ax+by(a>0,b>0)的最大值是12,则的最小值为___________.

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1.已知等比数列的各项均为正数,公比, 设,则的大小关系为                                                           (   )

    A.        B.         C.        D.无法确定

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16.解下列不等式:(本小题满分12分)

    若不等式对一切恒成立,试确定实数的取值范围.

必考试卷Ⅱ

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15.(本小题满分12分)

    已知数列{an}是等差数列,且

    ⑴求数列{an}的通项公式;

    ⑵令,{007}求数列{bn}的前10项和.

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14.(本小题满分11分)

    在△ABC中,已知c=1,,求aAC

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13.在三角形ABC中,已知A, b=1,其面积为, 则=________.

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