人教版《小学英语》家庭作业同步配套教学课件（四年级上册）Unit 3 My friends_Part B Let’s learn & Say and draw

人教版《小学英语》家庭作业同步配套教学课件（四年级上册）Unit 3 My friends_Part A Let’s spell

Uints I. Basic listening practice 1. Script W: I bought a camera from your store. Here's my receipt. I know it's just warranty period, but the camera hasn't worked properly for some time, and now it's not focusing at all. M: We're sorry you've has problem with one of our cameras. I t seems that the camera has suffered some damage, but you've been a regular customer, and wed

人教版《小学英语》家庭作业同步配套教学课件（六年级下册）Unit 3 Where did you go？_Part B Let’s learn & Look and say

1一横波在沿绳子传播时的波动方程 为y=0.20cos2.50t-x),式中y和x的单位 为m,t的单位为s.(1)求波的振幅、波速、 频率及波长;(2)求绳上的质点振动时的最 大速度;(3)分别画出t=1s和t=2s时的波 形,并指出波峰和波谷画出x=1.0m处质点的 振动曲线并讨论其与波形图的不同

人教版《小学英语》家庭作业同步配套教学课件（六年级下册）Unit 3 Where did you go？_Part A Let’s learn & Listen,answer and write

人教版《小学英语》家庭作业同步配套教学课件（六年级下册）Recycle Mike’s happy days_Day 3 Life on the farm

人教版《小学英语》家庭作业同步配套教学课件（六年级上册）Unit 3 My weekend plan_Part B Let’s learn & Role-play

《大卫》ppt课件3_六年级语文下册《大卫》课件(语文S版)

人教版《小学英语》家庭作业同步配套教学课件（六年级上册）Unit 3 My weekend plan_Part A Let’s learn & Make a plan