25. Jack and Mike were found cheating in the exam, and by their teacher at the moment.
A. were scolded B. are being scolded
C. have been scolded D. were being scolded
24. -----Do you allow your son to go to any Internet café on holidays?
----- not!
A. Extremely B. Thoroughly C. Absolutely D. Completely
23. Hiking by oneself can be fun and good for health. It may also be good for building.
A. character B. friendship C. reputation D. respect
22. Steve Jobs was voted the most admired businessman by young people in the US passed away last month.
A. which B. what C. who D. whose
第二部分 英语知识运用
第一节 单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. -----Would you do me a favor of posting the letter?
----- .
A. It’s a pleasure. B. No trouble.
C. You’ve got a point there. D. With pleasure
27. (9分)如图1,已知是等腰直角三角形,,点是 的中点.作正方形,使点、分别在和上,连接,.
(1)试猜想线段和的数量关系是 ;
(2)将正方形绕点逆时针方向旋转,
①判断(1)中的结论是否仍然成立?请利用图2证明你的结论;
②若,当取最大值时,求的值.
26. (8分)如图,四边形是面积为4的正方形,函数()的图象经过点.
(1)求的值;
(2)将正方形分别沿直线、翻折,得到正方形、.设线段、分别与函数()的图象交于点、,求线段EF所在直线的解析式.
25.(7分)为改善生态环境,防止水土流失,某村计划在荒坡上种1000棵树.由于青年志愿者的支援,每天比原计划多种25%,结果提前5天完成任务,原计划每天种多少棵树?
24、(6分)随着车辆的增加,交通违规的现象越来越严重,交警对某雷达测速区检测到的一组汽车的时速数据进行整理,得到其频数及频率如表(未完成):
数据段 |
频数 |
频率 |
30﹣40 |
10 |
0.05 |
40﹣50 |
36 |
|
50﹣60 |
|
0.39 |
60﹣70 |
|
|
70﹣80 |
20 |
0.10 |
总计 |
200 |
1 |
(1)请你把表中的数据填写完整;(4分)
(2)补全频数分布直方图;(1分)
(3)如果汽车时速不低于60千米即为违章,则违章车辆共有多少辆?(1分)
23、(6分)观察下列各式:
;;…,
请你猜想:(1) , .
(2)计算(请写出推导过程):;
(3)请你将猜想到的规律用含有自然数n(n≥1)的代数式表达出来.
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