unit1精练内容摘要:
well C. good。 well D. well。 good have only 2 slices of bread, and we still need . A. another two B. two another C. more two D. other two C B C A a lot of people in the park yesterday. A. Was B . are C. were D. is old woman was old to look after herself. A. so B. to C. v。unit1精练
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2. Quite good. Let39。 s look at the picture again. S3, What does the girl often do on weekends? (老师手指图片 a) Quite good. 3. Now please work in pairs and talk about the activities they do on weekends.
A. Yes, of course B. Not at all C. Yes, I could BA ( ) 3. — Let me help you carry the box. — ___________. A. You’re wele B. It doesn39。 t matter C. Thanks a lot ( ) 4. — Can you help me make a kite?
1、光世昌老师高中物理精品资源免费下载地址 抛体运动的规律及其应用(对应学生用书第 57 页)空气阻力可以忽略的情况下,物体所做的运动叫做平抛运动2性质加速度为重力加速度的匀变速曲线运动,轨迹是抛物线3方法做平抛运动的物体同时做两种运动:在水平方向的运动,物体在这个方向上不受力的作用做匀速直线运动,在竖直方向上的运动,物体受到重力作用做自由落体运动4基本规律(如图 421)图
sound. 7. Let’s sing ① Go through the words of the song. ② Listen the tape, learn to sing. ③ Sing the song all together. Setp4:Practices:(练习 ) 1. Listen and say, then read the letter. 完成运用任务 1: SB
1、光世昌老师高中物理精品资源免费下载地址 定义:将物体以一定的初速度沿水平方向抛出,物体只在重力作用下所做的运动。 2性质:加速度为重力加速度 动轨迹是抛物线。 3基本规律:以抛出点为原点,以水平方向(初速度 竖直向下方向为 立平面直角坐标系,则:(1)水平方向:做匀速直线运动,速度 移 x 2)竖直方向:做自由落体运动,速度 移 y 2(3)合速度: v ,方向与水平方向夹角为 ,则。