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1制定安全生产法的目的是为了加强安全生产.doc

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1、_ ?11. Mrs. Li and Kitty watch TV at night(在晚上)._ ?12 The boy does some housework(家庭作业) at home. _ ?二、把肯定句变为否定句1. His father is an English teacher. _.2. These cats are crying.(喊叫)_.3. They can swim. _.4. His father goes to work by bus.(乘公共汽车) _ .5. Tom has some apples._ .6. The children had a good t

2、ime in the park(公园). _ .7. Mrs. Li and Kitty watch TV at night(在晚上)._ .8. The boy does some housework(家庭作业) at home. _ .三、作肯定和否定回答1、Is this your pencil-case?肯定回答:_. 否定回答:_.2、Is that his backpack?肯定回答:_. 否定回答:_.3、Are these her brothers?肯定回答:_. 否定回答:_.4、Are those Toms parents?肯定回答:_. 否定回答:_.5、Can you

3、play the guitar?肯定回答:_. 否定回答:_.6、Do they like French fries?肯定回答:_. 否定回答:_.7、Does he like pears?肯定回答:_. 否定回答:_.8、May I ask your question?肯定回答:_. 否定回答:_.9、Is he your father?肯定回答:_. 否定回答:_.10、Are you from China.肯定回答:_. 否定回答:_.特殊疑问句习题: 就划线部分提问1.They bought a new bike yesterday. _2.She is my teacher. _3.

4、 It is my coat . _4. I am looking for my sister ._5. I get up at six . _6. I am from Hubei . _7. I went to school late because I got up late._8. I am getting on well with it. _9. My bag is red . _10. They are five yuan . _11. I wash it twice a week ._12. He will be back in four days ._一般将来时一、单项选择1.

5、If they come, we _ a meeting.A. have B. will have C. had D. would have2. He _ her a beautiful hat on her next birthday. A. gives B. gave C. will giving D. is going to give3. He _ to us as soon as he gets there.A. writes B. has written C. will write D. wrote4. Will his parents go to see the Terra Cot

6、ta Warriors tomorrow? No, _ (不去).A. they willnt B. they wont. C. they arent D. they dont.5. Who _ we _ swimming with tomorrow afternoon?A. will; go B. do; go C. will; going D. shall; go6. We _ the work this way next time.A. do B. will do C. going to do D. will doing7. Tomorrow he _ a kite in the ope

7、n air first, and then _ boating in the park.A. will fly; will go B. will fly; goes C. is going to fly; will goes D. flies; will go8. The day after tomorrow they _ a volleyball match.A. will watching B. watches C. is watching D. is going to watch9. There _ a birthday party this Sunday.A. shall be B.

8、will be C. shall going to be D. will going to be10. They _ an English evening next Sunday.A. are having B. are going to have C. will having D. is going to have11. He _ there at ten tomorro11湖南怀化,11,3分)定义新运算:对任意实数a、b,都有ab=a2-b,例如,32=32-2=7,那么21=_.【答案】310(2011安徽,14,5分)定义运算aUb=a(1b),下面给出了关于这种运算的几个结论:2U

9、(2)=6 aUb= b U a若a+b=0,则(aU a)+(b U b)=2 ab 若aUb=0,则a =0其中正确结论的序号是 (在横线上填上你认为所有正确结论的序号)【答案】11. (2011广东汕头,8,4分)按下面程序计算:输入x=3,则输出的答案是_ _ 【答案】2612. (20011江苏镇江,9,2分)计算:-(-)=_;=_;=_; =_.答案:,1,-213. (2011广东湛江20,4分)已知:,观察前面的计算过程,寻找计算规律计算 (直接写出计算结果),并比较 (填“”或“”或“=”)【答案】14. (2010湖北孝感,17,3分)对实数a、b,定义运算如下:ab=,

10、例如23=2-3=.计算2(4)(4)(2)【答案】115. (2011湖南湘潭市,16,3分)规定一种新的运算:,则_. 【答案】三、解答题1. (2011浙江金华,17,6分)计算:|1|(5)0+4cos45. 【解】原式=121+4=11+2=.2. (2011广东东莞,11,6分)计算:【解】原式=1+-4 =03. (1) (2011福建福州,16(1),7分)计算:【答案】解:原式 4. (2011江苏扬州,19(1),4分)(1) 【答案】(1)解:原式=05. (2011山东滨州,19,6分)计算:【答案】解:原式=6. (2011山东菏泽,15(1),6分)计算:解:原式=

11、17. (2011山东济宁,16,5分)计算:【答案】解:原式4分 5分8. (2011山东济宁,18,6分)观察下面的变形规律: 1; ;解答下面的问题:(1)若n为正整数,请你猜想 ;(2)证明你猜想的结论;(3)求和: .【答案】(1)1分(2)证明:.3分(3)原式1 .5分9. (2011 浙江湖州,17,6)计算:【答案】解:原式10(2011浙江衢州,17(1),4分)计算:.【答案】解:(1)原式11. (2011浙江绍兴,17(1),4分)(1)计算:;【答案】解:原式 12. (2011浙江省,17(1),4分)(1)计算:【答案】(1)解: = = 13. (2011浙江

12、台州,17,8分)计算:【答案】解:原式= 11+9=1114. (2011浙江温州,17(1),5分)计算:;【答案】解:15. (2011浙江义乌,17(1),6分)(1)计算: ; 【答案】(1)原式=1+2=1+16. (2011广东汕头,11,6分)计算:【解】原式=1+-4 =017. (2011浙江省嘉兴,17,8分)(1)计算: 【答案】原式=4+1-3=218. (2011浙江丽水,17,6分)计算:|1|(5)0+4cos45. 【解】原式=121+4=11+2=.19. (2011福建泉州,18,9分)计算:.【答案】解:原式=3+(-1)1-3+4(6分) =3(9分)

13、20(2011湖南常德,17,5分)计算:【答案】2921. (2011湖南邵阳,17,8分)计算:。【答案】解:原式=1-2+3=2.22. (2011湖南益阳,14,6分)计算:【答案】解:原式.23. (2011广东株洲,17,4分)计算:.【答案】解:原式=2-1-1=024. (2011江苏连云港,17,6分)计算.【答案】原式=10+86=8.25. (2011江苏苏州,19,5分)计算:22|1|-.【答案】解:原式=4+1-3=2.26. (2011江苏宿迁,19,8分)计算:【答案】解:原式21231427. (2011江苏泰州,19(1),4分)计算或化简:(1) ; 【答

14、案】(1)原式12212=328. (2011四川成都,15(1),6分)(1)计算:.【答案】原式= =2.29. (2011四川成都,23,4分)设, 设,则S=_ (用含n的代数式表示,其中n为正整数)【答案】=S=+.接下去利用拆项法即可求和30. (2011四川广安,21,7分)计算:【答案】解:原式=31. (2011四川内江,17,7分)计算:【答案】原式=32. (2011四川内江,加试5,12分)同学们,我们曾经研究过nn的正方形网格,得到了网格中正方形的总数的表达式为12+22+32+n2但n为100时,应如何计算正方形的具体个数呢?下面我们就一起来探究并解决这个问题首先,通过探究我们已经知道01+12+23+(n1)n=n(n+1)(n1)时,我们可以这样做:(1)观察并猜想:12+22=(1+0)1+(1+1)2=1+01+2+12=(1+2)+(01+12)12+22+32=(1+0)1+(1+1)2+(1+2)3=1+01+2+12+3+23=(1+2+3)+(01+12+23)12+22+32+42=(1+0)1+(1+1)2+(1+2)3+ =1+01+2+12+3+23+ =(1+2+3+4)+(

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