1.(遼寧理,4)已知圓C與直線x-y=0 及x-y-4=0都相切,圓心在直線x+y=0上,則圓C的方程為
A.
B. ![]()
C.
D. ![]()
[解析]圓心在x+y=0上,排除C、D,再結(jié)合圖象,或者驗(yàn)證A、B中圓心到兩直線的距離等于半徑即可.
[答案]B
2009年高考題
Ⅵ. Writing (本題共15分,提綱3分,關(guān)鍵詞2分,短文10分)
(注意:文中不能出現(xiàn)考生真實(shí)姓名、校名和老師名,否則不給分)
中學(xué)生上網(wǎng)問題已經(jīng)越來越受到社會(huì)的關(guān)注。作為即將初中畢業(yè)的你,一定有很多心里話要對(duì)在校的學(xué)生說。請(qǐng)你以李雷的名義寫一封信,告訴他們你的一些看法和建議,以便他們更好的學(xué)習(xí)和生活。
要求:1. 列出提綱,寫出關(guān)鍵詞。
2. 字跡工整,語言流暢,表達(dá)正確,邏輯清晰。
3. 80-100詞左右。信的開頭和結(jié)尾已給出,不計(jì)入總詞數(shù)。
提示:所列提綱可以是短語或句子,所列關(guān)鍵詞(單詞或短語)必須在文中出現(xiàn)。
(A) Outline: 1. _______________________________________________________________
2. _______________________________________________________________
3. _______________________________________________________________
Key words: _______________________________________________________________
(B) Dear friends,
How time flies!
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
I wish you a colourful school life!
Yours,
Li Lei
2009年齊齊哈爾市初中畢業(yè)學(xué)業(yè)考試
55. Peter, how are you getting on with your new classmates?
|
A. Enjoy yourself !
B. Very well. C. I’m not sure. D. I’m afraid you can’t. E. Thank you very much. F. All right, dad. |
(B) Complete the dialogue with proper words or sentences.
(Mrs. White and Zhang Tao are talking on the playground.)
A--Zhang Tao, B--Mrs. White
A: Good afternoon, Mrs. White!I haven’t seen you for a long time.
B: Good afternoon, Zhang Tao! (56) ________________________________?
A: Fine, thanks. And you ?
B: I’m fine, too. School term is nearly over. (57) ________________________________?
A: I’m going to take courses in a summer school.
B: (58) ________________________________?
A: English and computer.
B: (59) ________________________________?
A: Because English and computer are getting more and more important in our life.
B: (60) ________________________________. I hope you will work hard at them.
A: Thank you. I’ll do my best.
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