人教版《小学英语》家庭作业同步配套教学课件（五年级上册）Unit 5 There is a big bed_Part A Let’s try & Let’s talk

人教版《小学英语》家庭作业同步配套教学课件（五年级上册）Unit 5 There is a big bed_Part A Let’s learn & Let’s play

人教版《小学英语》课堂练习同步配套教学课件（三年级下册）Unit 5 Do you like pears？_Part B Let’s talk & Let’s play

人教版《小学英语》课堂练习同步配套教学课件（三年级下册）Unit 5 Do you like pears？_Part B Let’s learn & Let’s chant

人教版《小学英语》课堂练习同步配套教学课件（三年级下册）Unit 5 Do you like pears？_Part A Let’s talk & Let’s play

人教版《小学英语》课堂练习同步配套教学课件（三年级下册）Unit 5 Do you like pears？_Part A Let’s learn & Let’s chant

“In this world nothing is certain but death and taxes.” . . . Benjamin Franklin 0 20 40 60 80 100 1789 Taxes paid in Ben Franklin’s time accounted for 5 percent of the average American’s income

Conduction of Electricity Ohm's Law Non-linear Resistors Resistors Connected Kirchhoff's Lawss Substitution Theorem Mesh Current

Chapter 4&5 Newtonian Mechanics 1. Newton's Law 2. Some Particular Forces 3. Applying Newton's Laws

例1文法G0)s→s(1)s→aAd(2)S→bAc (3)s→aec(4)s→bed(5)A→e