Page I
Pages 4-5:
分层作业一：
1. winners 2. experts 3. prize 4. invention 5. win
分层作业二：
1. Tom was so sad that he cried for a whole day.
2. Who will be the winner of the game?
3. Don’t ask me – I’m no expert / I’m not an expert!
Page 6:
分层作业一：1. pollution 2. mistake 3. piece
分层作业二：
1. pollution 2. break 3. health 4. hurt 5. mistake 6. less
Page II
小试牛刀：
1. Both, and 2. made great progress 3. to learn something new
Page III
Comprehension Test: 1-4 BCDB
Vocabulary in Use:
1. worth 2. shocked 3. offer 4. held 5. value
Page IV
Day 1: BBDC Day 2: CDD Day 3: BDDB
Day 4: 1. Lin Shidong.
2. When he was 15 years old./At the age of 15.
3. Six.
4. He is the greatest table tennis player.
5.我依然热爱这项比赛。我希望人们记住的不只是我的成功，还有我对乒乓球的热爱以及获胜的梦想。
Day 5: 1-5 CBBAA 6-10 DCDDA
