26. A small plane crashed into a hillside five miles east of the city, ______ all four people on board.
A. killed B. killing C. kills D. to kill
25. Unsatisfied ______ with the payment, he took the job just to get some work experience.
A. as was he B. as he was C. he was as D. was he as
24. With a little more care, you _____ this traffic accident.
A. could avoid B. could have avoided C. would avoid D. must have avoided
23. ----- I’ve read another book this week.
----- Well, maybe ________ is not how much you read but what you read that counts.
A. this B. that C. there D. it
22. My suggestion is that the old houses ___________ .
A. be pulled down B. will be pulled down C. are pulled down D. should pull down
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。
21. We can never expect ______ bluer sky unless we create ________ less polluted world.
A. a; a B. a; the C. the; a D. the; the
3、 填表:
弧长l |
扇形的面积S |
半径R |
弧的度数n |
|
|
4 |
150 |
|
|
8 |
240 |
6π |
|
10 |
|
9π |
|
|
120 |
四、 小结
弧长公式与扇形的面积公式。
五、 作业
书本 P 135 习题3.10 1
六、 教学后记
2、 《练习册》 P 60
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