Unit 5 Going on an exchangetrip
第一课时 Vocabulary
基础作业
I
1. anxious 2. lonely 3.nervous 4. expect5. situation 6. unfamiliar 7.independent 8.exchanged 9. playing 10.to visit
拓展作业
II

1. they just want to rest without having dinner
2.with a lot of great science technologies
3. help her learn more knowledge
4. an official occasion
5. no clear meanings
6. gives encouragement and support
7. a very important stage or event in the development
8. is connected with people's feelings
第二课时 Reading
基础作业
I
1. applied for 2. learn about 3. is waiting for 4. are aged 5.take part in
拓展作业
II
1.T 2.F 3.T 4.T 5.F 6.T 7.F 8.T 9.T 10.F
第三课时 Grammar
基础作业
I  1-5 BCDCA    6-10 DBDA B
拓展作业
II   I have,  received,  has been,  has,   visited,  has been,  bought,  hasn't been
第四课时 Writing
基础作业
   My sister Wu Lin and her classmates took part in a school trip to Los Angeles during the summer holiday. They stayed there for nearly two weeks. During their trip, they visited two famous universities.And they had aparty with the local middle school students. They stayed with a host family and learned about American customs from the hosts. They had a great time in Los Angeles. And they thought it was an educational trip.
拓展作业 略
第五课时 More Practice
基础作业
I   1-5  DCCBD   6-10 CBADC
拓展作业
II 1-6 BBAACB    7-12 ACBDAD
第六课时 Interdisciplinary Learning
基础作业
I
1-5 educational，friendly，to use， teaching，to  6-10 studying，places，has been，members，introduction  11-15 success，trying，friends，to keep，second
拓展作业
II 1-5  BCDBD