Unit 3 学案第一课时学一学1.重点短语be polite and helpful 礼貌且乐于助人 big and strong 又高又壮small and thing 又瘦又小2.重点句型对年龄提问：How old +be+sb?eg: He is eleven.(对划线部分提问) 一般疑问句的回答用Yes 或No回答eg: Are they classmates? (肯定回答) Is she your cousin? (否定回答) 练一练1.—- your brother? -- He is a teacher in a middle school. A. Who is B. What is C. What D. Who2.海宝是我的新朋友，他又高又壮 HaiBao _______my________ ________,He_______ and ． Unit 3第二课时学一学１.重点短语 two new friends 两位新朋友be from=come from 来自于look at 看……have a look 看一看2.重点句型（1）She is from England. She is English 国 国人 England English America American（2）We are all Chinese.all 与both的用法区别all 用于三者 或三者以上 “都”both用于两者 或两者 “都”all与both 在句中的位置 be动词或情态动词的后面，实意动词的前面。
3）语法be 动词与人称代词的搭配我（I）用 你(you)用 连着他（he）她（she）它（it）单数名词用 复数名词全用 练一练1. Is Lucy ? A. England B. America C. American D. an America 2. Wang Hai is Chinese and Pat is American boy. A. an, a B. a, a C. a, an D. an , an3. We are from China. (改为一般疑问句并作肯定回答) . .4.这个女孩是你的表妹吗? 是的 － this girl your ? －Yea, . 。
