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1、人教版九年级上册英语课堂练习册答案作业本答案_0人教版九年级上册英语课堂练习册答案作业本答案 Unit8lll help clean up the city parks. SecionA I.1.homeless 2.hunger 3.established 4.coach 5.sign II.1.set up 2.think up 3.cheer;up 4.clean up 5.put off 6.put up III.1.makes;happier 2.establish;learn 3.thinks up 4.to do 5.Do you IV.16 DCCDCB 1 SectionB
2、I.1.deaf 2.fix 3.pleasure 4.coach 5.sign II.1.ran out of 2.takes after 3.put up 4.call III.1.takes after 2.spent on 3.similar to 4.repair 5.What did IV.16 BAAABC V.15 FGADC 67 EB Self Check and Reading I.1.fetch 2.pleasure 3.blind 4.imaging 5.specially 6.filled 7.carried 8.deaf 9.to shut 10.worked o
3、ut 30 o45 o60 o2 II.1.homeless 2.latei 3.easiest 4.hunger 5.pleasure 6.holding 7.clean 8.cheered 9.to set 10.interviewer III.15 BDACC 610 BACAB 1、第二单元“观察物体”。学生将通过观察身边的简单物体，初步体会从不同角度观察物体所看到的形状可能是不同的发展空间观念。IV.1.yes,he was 2.by taking a little rubber. 3.Three 4. On december22,1988 5.He protected the fo
4、rest and changed the worlds ideas 9切线长定理：过圆外一点所画的圆的两条切线长想等，圆外切四边形对边相等，直角三角形内切圆半径公式.略 期中综合练习 （2）抛物线与x轴的交点情况可以由对应的一元二次方程的根的判别式判定：I.15 BDBCB 610 BDCBD 1115 BDDCC 1620 BACDD II.1.owner 2.importance 3.were 4.helpful 5.funny 6.worride 7.younger 8.youself 9.friendship 10.chatting （1）理解确定一个圆必备两个条件:圆心和半径,圆心决
5、定圆的位置,半径决定圆的大小. 经过一点可以作无数个圆,经过两点也可以作无数个圆,其圆心在这个两点线段的垂直平分线上.3 III.1.Dongt laugh at the old people 2.His parents are very strict with him 2.正弦：3.Children have plenty of time to do their home work now 4.lm getting along/on well with my classmates 5.Have you come up with a good idea? 若a0，则当x时，y随x的增大而减小。IV.1.to do 2.to get 3.was allowed to 4.didnt use 5.can she 等弧：在同圆或等圆中，能够互相重合的弧叫做等弧。V.15 DBGCF VI.15 CDDBC 610 DADCC dr 直线L和O相离.VII.15 BDBDC 610 CCBAD 4 5