2015届高三（人教版选修7）一轮复习单元测试Unit 3英语试卷

1.如图，两个完全相同的菱形其边长为1厘米，一只蚂蚁由A点开始按ABCDEFCGA的顺序沿菱形的边循环运动，行走2017厘米后停下，则这只蚂蚁停在{#blank#}1{#/blank#}点．

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2.如图，正方形ABCD的对角线交于点O，以AD为边向外作Rt△ADE，∠AED=90°，连接OE，DE=6，OE=8

\sqrt{2}

，则另一直角边AE的长为{#blank#}1{#/blank#}．

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3.如图，正方形ABCD的对角线交于点O，以AD为边向外作Rt△ADE，∠AED=90°，连接OE，DE=6，OE=8

\sqrt{2}

，则另一直角边AE的长为{#blank#}1{#/blank#}．

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4.如果y=

\sqrt{x^{2} - 4} + \sqrt{4 - x^{2}} + 1

，则2x+y的值是{#blank#}1{#/blank#}．

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5.正方形ABCD中，AB=2，E是AB的中点，P是对角线AC上的一个动点，则PE+PB的最小值是{#blank#}1{#/blank#}．

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6.如图，反比例函数y=

\frac{k}{x}

（x＜0）的图象经过点A（﹣1，1），过点A作AB⊥y轴，垂足为B，在y轴的正半轴上取一点P（0，t），过点P作直线OA的垂线l，以直线l为对称轴，点B经轴对称变换得到的点B′在此反比例函数的图象上，则t的值是（）

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7.如图，反比例函数y=

\frac{k}{x}

（x＜0）的图象经过点A（﹣1，1），过点A作AB⊥y轴，垂足为B，在y轴的正半轴上取一点P（0，t），过点P作直线OA的垂线l，以直线l为对称轴，点B经轴对称变换得到的点B′在此反比例函数的图象上，则t的值是（）

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8.

—Jack, this is the third time that you have been late this week.
—Sorry, sir, but I was help ________ for 15 minutes on the way here in the traffic jam.

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9.

If he fails again, he will drag us all ________ with him.

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10.

Jane lay on the floor ________(tremble), too ________(scare) to move.

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11.

I have urged Tony ________(stay) away from computer games before he becomes addicted to them.

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12.

—Do you work in this office?
—No, as a clerk in this office is on vacation, I'm just helping______ here for about a week.

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13.

We are now enjoying the cool air in the room. ________ the meantime, the farmers are harvesting crops in the hot sun.

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14.

A survey of China's citizens found that some smokers are unwilling to kick the habit because they aren't fully aware ________ the harm it does to health.

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15.

The boss refused to sell the car for ________ he thought was not satisfactory.

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16.

Beijing isn't what it used to be. The last decade ________(witness) great changes in the city images.

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2015届高三（人教版选修7）一轮复习单元测试Unit 3英语试卷

1.选择题(共7题)

2.其他(共9题)

【1】题量占比

【2】：难度分析