非常好的初二英语练习.docxVIP

非常好的初二英语练习 非常好的初二英语练习 每日一练（10.29） 1. 设P (m ，m +2)是坐标平面内某一象限的整点(横纵坐标皆为整数的点) ，已知点P 到x 轴的距离与它到y 轴的距离之差为2m +2，求点P 关于y 轴对称的点的坐标． 2. 在平面直角坐标系中，P （1，4），点A 在坐标轴上，S △PAO =4，求P 点坐标． 3. 我们知道，任意两点关于它们所连线段的中点成中心对称，在平面直角坐标系中，任意两点P （x 1，y 1）、Q （x 2，y 2）的对称中心的坐标为 ?x 1+x 2y 1+y 2?, ?观察应用： 2??2 （1）如图，在平面直角坐标系中，若点P 1（0，-1）、P 2（2，3）的对称中心是点A ，则点A 的坐标为； （2）另取两点B （-1.6，2.1）、C （-1，0）．有一电子青蛙从点P 1处开始依次关于点A 、 B 、C 作循环对称跳动，即第一次跳到点P 1关于点A 的对称点P 2处，接着跳到点P 2关于点B 的对称点P 3处，第三次再跳到点P 3关于点C 的对称点P 4处，第四次再跳到点P 4关于点A 的对称点P 5处，…则点P 3、P 8的坐标分别为、． （3）求出点P 2021的坐标，并直接写出在x 轴上与点P 2021、点C 构成等腰三角形的点的坐标． ( )1. I’m hungry, _______me my lunch. A. take B. bring C. show D. help ( )2. I can play _______him in the park. A. to B. and C. with D. for ( )3. Don’t read ______ the sun. A. in B. on C. under D. below ( )4. Man _________live without water or air. A. can B. may C. can’t D. must ( )5. _________ big fish they are! A. What B. How C. What a D. How a ( )6. John enjoys _______football, but he wants ________basketball. A. to play, playing B. to play, to play C. playing, playing D. playing, to play ( )7. Of all the subjects, I like English ________. A. well B. good C. better D. best ( )8. I can’t make him________ that if he doesn’t want to. A. do B. to do C. doing D. did 1. I ’m good at _______(play) volleyball. 2. He likes ______(do) the same things as me. 3. The teacher asks him _______(clean) the blackboard. 4. Excuse me,can you tell me how______(get) to the nearest hospital? 5. I try _____(eat) it only a week. 6. May ______(exercise) every day. l. Meimei dances best of all the girls. (同义句转换) Meimei dances _________ than _________ _________ _________. 2. Our classroom is as clean as theirs. (变成否定句) Our classroom _________ _________ ________ clean ________ theirs. 3. The old house isn’t there any longer. (同义句转换) The old house ________ _____ ________ there. 4. He ra