九年级Unit 2? I used to be afraid of the darkSection AI.学习目标:1.知识目标:Talk about what you used to be like and the new .能力目标:used to反意疑问句的正确运用3.情感目标:只有向后看才能理解生活但要生活好则必须向前看II.学习重点:used to do ?过去常常做某事used to
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九年级重点词汇过关单词拼写(一)根据句意用方框中所给单词的适当形式填空1.In his speechhe mentioned the Chinese Character Spelling Contest(汉字听写大赛)several times.2.He thanked the villagers and said politely.3.The film is humorous and funny
Unit 5 What are the shirts made of重点词汇chops tick筷子 coin硬币 fork餐叉叉子blouse短上衣衬衫 silver银银器 glass玻璃cotton棉花 steel钢钢铁 fair
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第16讲 Unit 7-Unit 8重点词汇过关单词拼写1.The studentssafety at school is what we should pay more attention to.2.—Whos that man outside the gate—Hes our school leader.3.He was facing a difficult choice between st
九年级英语(上)第二单元重点必背Unit 2 Loving Our PlanetTopic 1 Pollution causes too many problems.一单词bee several chemical---chemistry waste stream soil breathe----breath influence weak create produce---production
12 第九单元二重积分一、概念与性质1、定义:设二元函数z=f(x,y)在平面有界闭区域D上有定义,将D任意分成n个小区域第i个小区域的面积也记为在每个小区域上任取一点Pi(xi,yi),当小区域的最大直径时,存在,且极限值与区域D的分法和点Pi(xi,yi)的取法无关,则称这个极限值为f(x,y)在D上的二重积分,记为2、几何意义:以z=f(x,y)为曲顶,D为底,母线平行于z轴的曲顶柱体的体
在日常生活或生产实际中我们常用正数与负数表示具有相反意义的量0既不是正数也不是负数数轴是规定原点正方向和单位长度的一条直线在数轴上表示数右边的数总比左边的数大左边的数总比右边的数小正数都大于零负数都小于零 负数都小于正数正数 > 0 > 负数圆柱的两个圆面叫底面周围的面叫侧面两个底面间的距离叫做高圆柱的侧面展开图的长是底面的周长宽是圆柱的高圆柱的侧面积=底面周长×长圆柱表面积=侧面积2个底面积圆柱
新目标英语九年级第十二单元重点单词短语句子和语法小结I.重点词汇 a bit----a little on time---in time quiz----exam at table----at the table point at---point to----point out r
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