Page I
Pages 4-5: III. 1. show off 2. think of
3. dress up 4. think over
5. It’s not good to always show off in front of others.
6. My childhood was full of fun.
7. Liz is not one of our guests.
Page 6: III. 1. earlier 2. six months 3. stress 4. health problems 5. pressure 6. eat
7. We can take Jimmy as an example to see how exercise makes us healthy.
8. Your watching them may put pressure on the players.
9. Everyone should pay attention to safety.
Page II
应用文实战演练：ACBD
短文填空：1. true 2. saying 3. skills 4. hid 5. introduced 6. stopped 7. good
8. explain 9. impressed 10. if
Page III
Comprehension test: 1-4 ABCB
Vocabulary in use:
1. had to make its way to
2. a great deal of discussion about
3. Tim came to realize that
4. the point is that you need to
5. Learning new things can push us to
Page IV
Day 1: DCDC Day 2: BCC Day 3: ABCCD
Day 4: 1. returning to China
2. It is mainly about the story of many scientists who decided to go back to China in the 1950s.
3. B
4. Hua was more than just a mathematician. He had big ideas and was very brave, especially for his time.
5. 今天的年轻人生活在一个小康社会，但我们绝不能忘记先辈们所做出的贡献。
Day 5: 1-5 CADBB 6-10 ADCBA 11-15 BDDCC
