1. 2012年上海徐匯區初三英語一模首字母填空 答案解析
保證抄准確!
86. children 孩子
87. money 錢
88. own
on one's own 獨自
89. unusual 不尋常的
90. blowing 吹
91. promise 諾言
92. miss 想念
2. 徐匯區初三英語一模卷2016作文
Last sunday. I and my father, mother, grandparents, brother went to hutiaoxia
by bus. In the morning we came down the mountain. I saw wooded mountains, wild flowers bloom. We climb up the hill along the mountain path. Come halfway up the mountain, I feel a little tired,it began to rain,My West Lake silk umbrella missed,. Dad said to me,「chenlu, don』t do anything halfway.」at last,So I insisted reached the top, the top of the scenery so beautiful.We were flying kites, I was thirsty, my mother bought me a bottle of water, .finally we went home.finally,Since then, I've kept the umbrella。 was very happy
3. 徐匯區初三一模英語作文,求修改語法。謝
Everyone has the best thing or person they know. The best thing I know is the piano. Years ago, I learned how to play the piano. I always spent several hours a day thinking of how to play it well for years. At first, I didn』t like it (was not keen on it替代), and even hated it. In my mind, it was (too)boring (to be addicted to it ). With the increase of age, I can play it well (去well為 fluently in confidence). It not only brings me beautiful music, but also lets me know (去know變expirence) 『success belongs to the persevering』. 括弧里改得更好看點...如果字數不夠可以加個總結句.望採納
4. (2011徐匯區一模)如圖,在正方形ABCD中,E為BC中點,DF=3FC,連接AE、AF、EF,那麼下列結果錯誤的是(
已知在正方形ABCD中,E為BC中點,DF=3FC,得:
AB=BC=DC=AD,BE=CE=
AB=
BC=
DC,DC=4CF,
∴CF=
BE=
CE,即BE=CE=2CF.
在△ABE和△EFC中
=
,
=
=
=
∴△ABE與△EFC相似,回
∴∠AEB=∠EFC,
∴∠AEB+FEC=90°,答
∴△ABE與△AEF相似都是直角三角形
∴EF
2=CF
2+CE
2=CF
2+(2CF)
2=5CF
2BE
2=CE
2=4CF
2∴
=
=
∴
=
5. 2012年徐匯區初三數學一模17題,18題怎麼做要具體過程
17.將拋物線y=x²-4x+4沿y軸向下平移後,所得拋物線與x軸交於點A、B,頂點為,如果△ABC是等腰直角三角形,那麼頂點C的坐標是 設拋物線y=x²-4x+4沿y軸向下平移b個單位,拋物線的解析式為y=(x-2)²-b,此時點C的坐標為(2,-b), 如圖所示: 令y=0,則(x-2)²-b=0, ∴A(-√b+2,0),B(√b+2,0), 過點C作CE⊥x軸於點E,則E(2,0), ∵△ABC是等腰直角三角形, ∴CE=BE=b, ∴√b+2-2=b, ∴b=1或b=0, ∴C點坐標為(2,-1). 故答案為(2,-1).
6. 上海中考,閔行區學籍,徐匯區戶籍,一模考閔行排名在前15%左右,請問應該在哪個區報考更好
應該是在徐匯比較好,孩子的成績相對來說還不錯,徐匯的好學校多,選擇更多一些。
7. (2012徐匯區一模)如圖所示是真空中兩個帶等量異種電荷的點電荷A、B周圍的電場分布情況(電場線方向未
A、等量異種電荷的中垂線上的電場強度的方向都是水平指向負電荷一側的,所以O、M、N三點版的電場強權度方向相同,所以A錯誤; B、等量異種電荷連線的中垂線上的兩點,而等量異種電荷連線的中垂線是一條等勢線,所以O、M、N三點的電勢相同,在一個等勢面上,所以B正確; C、等量異種電荷的中點的場強最大,從中點沿著中垂線向兩邊逐漸減小,並且是對稱的,所以EO>EM=EN,所以C錯誤; D、把電荷從M點靜止釋放,電荷受到的電場力是在水平方向的,電荷將向左或向右運動,不會沿MON做直線運動,所以D錯誤; 故選:B.
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