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 2 My family_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 2 My family_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（三年级上册）Unit 2 Colours_Part B Start to read & Let’s check

人教版《小学英语》课堂练习同步配套教学课件（三年级上册）Unit 2 Colours_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（三年级上册）Unit 2 Colours_Part B Let’s learn & Let’s do

一、社会性;2、预防事故,缓解阻塞,综合治理,安全畅通3、1989年;4、车道灯; 二、B;C;D 三、1、ABCD;2、ACDE;3、 ABCDE;4、ACDE;5、 ABCDE;6、ABC

Part A Text Translation Part B Grammar 冠词 Part C Functions and Notions

1 Warming-up 2 Reading A 3 Reading B 4 Listening & Speaking 5 Writing 6 Mini-project 7 Language Lab

1、设a为有理数,x为无理数。证明: (1)a+x是无理数;(2)当a≠0时,ax是无理数。 2、试在数轴上表示出下列不等式的解: (1)x(x2-1)>0;(2)|x-1|x-3|;(3)√x-1-2x-1≥3x-2 3、设a、b∈R证明:若对任何正数ε有a-b<,则a=b

Read these sentences and the following job description. ech sen Which position does each sentence 1-7 describe? For each sentence, mark one letter A, B, C or D on your answer sheet