2014届吉林省东北四校协作体高三联合考试英语试卷

适用年级：高三
试卷号：82890

试卷类型：高考模拟
试卷考试时间：2017/7/19

1.选择题(共6题)

1.已知实数x，y满足 {#mathml#}

{\begin{matrix} 2 x - y \geq 0 \\ x + 2 y - 5 \leq 0 \\ y \geq 1 \end{matrix}

{#/mathml#} ，则z= {#mathml#}

\frac{x^{2} + y^{2}}{x y}

{#/mathml#} 大值为{#blank#}1{#/blank#}．

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2.已知实数x，y满足 {#mathml#}

{\begin{matrix} 2 x - y \geq 0 \\ x + 2 y - 5 \leq 0 \\ y \geq 1 \end{matrix}

{#/mathml#} ，则z= {#mathml#}

\frac{x^{2} + y^{2}}{x y}

{#/mathml#} 大值为{#blank#}1{#/blank#}．

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3.已知数列{a_n}的前n项和 {#mathml#}

S_{n} = {(- 1)}^{n + 1} \frac{1}{2^{n}}

{#/mathml#} ，如果存在正整数n，使得（p﹣a_n）（p﹣a_n+1）＜0成立，则实数p的取值范围是{#blank#}1{#/blank#}．

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4.已知F₁，F₂是双曲线 {#mathml#}

\frac{x^{2}}{a^{2}} - \frac{y^{2}}{b^{2}} = 1 (a > 0 ， b > 0)

{#/mathml#} 的两个焦点，M（x₀，y₀）（x₀＞0，y₀＞0）是双曲线的渐近线上一点，满足MF₁⊥MF₂，如果以F₂为焦点的抛物线y²=2px（p＞0）经过点M，则此双曲线的离心率为（）

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5.设 {#mathml#}

n = \int_{0}^{\frac{π}{2}} 4 c o s x d x ， 则 二 项 式 {(x - \frac{1}{x})}^{n}

{#/mathml#} 的展开式的常数项是{#blank#}1{#/blank#}．

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6.已知函数f（x）= {#mathml#}

{\begin{matrix} 3 x + 5 ， (x < 1) \\ l o g_{\frac{1}{2}} x - 1 ， (x \geq 1) \end{matrix}

{#/mathml#} ，则f（f（2 {#mathml#}

\sqrt{2}

{#/mathml#} ））={#blank#}1{#/blank#}．

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2.单项选择(共7题)

Because of the lack of funds, the tunnel project has already fallen behind ________.

A．situation

B．speed

C．insurance

D．schedule

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---What does Old Walter usually do in his retirement?
---- These days he is ______ memories of village life for his new book.

A．putting up

B．putting on

C．setting up

D．setting down

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You _____ get the machine repaired this week. I won’t need it until next month.

A．mustn’t

B．needn’t

C．shouldn’t

D．can’t

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10.

Our manager never fails to answer a phone call ________ she is very busy.

A．since	B．once
C．even if	D．so that

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11.

It's great that all the visitors who on the island were saved.

A．trapped	B．have been trapped
C．had trapped	D．had been trapped

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12.

The book is rather highly priced, but so well worth ______ that it should be begged or borrowed rather than missed.

A．to read

B．to be read

C．reading

D．being read

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13.

It was on the last day ______ a press conference was held by some committee members.

A．where

B．that

C．when

D．how

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试卷分析

【1】题量占比

选择题:(6道)

单项选择:(7道)
【2】：难度分析

1星难题：0

2星难题：0

3星难题：0

4星难题：0

5星难题：0

6星难题：7

7星难题：0

8星难题：0

9星难题：0

2014届吉林省东北四校协作体高三联合考试英语试卷

1.选择题(共6题)

2.单项选择(共7题)

【1】题量占比

【2】：难度分析