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三、Read and judge. Ann正在介绍她的家人。请你读一读，根据Ann的介绍，判断下列句子是(√)否(×)正确。
Hello, I'm Ann. This is my sister. She is a student. This is my brother. He is a student too. Both of them are students. But I'm a teacher. We are all in Yucai School. This is my mother. She is a doctor. This is my father. He is a doctor too. Both of them are doctors. They work in the same hospital(医院). This is my grandmother. She is a factory worker. This is my grandfather. He is a factory worker too. Both of them are factory workers. They work in the same factory.
( )1. Ann's sister is a nurse.
( )2. Ann's brother is a student.
( )3. Ann is a student too.
( )4. Ann's mother and father work in a hospital.
( )5. Both Ann's grandmother and grandfather are doctors.
Hello, I'm Ann. This is my sister. She is a student. This is my brother. He is a student too. Both of them are students. But I'm a teacher. We are all in Yucai School. This is my mother. She is a doctor. This is my father. He is a doctor too. Both of them are doctors. They work in the same hospital(医院). This is my grandmother. She is a factory worker. This is my grandfather. He is a factory worker too. Both of them are factory workers. They work in the same factory.
( )1. Ann's sister is a nurse.
( )2. Ann's brother is a student.
( )3. Ann is a student too.
( )4. Ann's mother and father work in a hospital.
( )5. Both Ann's grandmother and grandfather are doctors.
答案
1.× 2√ 3.× 4.√ 5.×
四、Check and say. 英语单词的构成形式有很多种，知道了单词的构成形式可以帮助我们提高记单词的效率。比如，一般情况下，有些表示动作的单词后面加上“er”或“or”，就可以表示执行这个动作的人，像sing(唱歌)→singer(歌手)，work(工作)→worker(工人)等。你知道还有哪些吗？请你查一查、说一说吧！
答案
teach(教)→teacher(教师)；drive(驾驶)→driver(司机)；act(表演)→actor(男演员)；visit(参观)→visitor(参观者)；invent(发明)→inventor(发明家)
