Page I
Page 6:
III. 分层作业一：
1. He has a pain in the right knee.
2. There is no sign of John anywhere.
3. I have to work hard to support my family.
分层作业二：
* It can be hard for them to get along with others.
* They like drawing and painting.
Page 8:
I. What it’s like to be in space
III. 分层作业一：
1. prefer 2. member 3. sick 4. shoot 5. As
分层作业二：
1. space 2. days 3. doctor 4. tests 5. makeup
Page II
1. where; to 2. easier 3. ③
4. The gene is more common in people from the south than people from the north.
5. * People from the north can better digest meat and fat.
* People from the south are more immune to certain diseases like malaria.
* People from the south are more likely to suffer from a certain kind of blood disease.
Page III
Comprehension test: 1-4 CACD
Vocabulary in use:
1. dreamed of hitting it big and becoming rich overnight
2. luck never seemed to be on his side
3. was glued to the TV
4. his eyes widened with excitement
5. She was trying hard not to burst into laughter
Page IV
Day 1: CCDB Day 2: DDA
Day 3: 1. The children with autism.
2. Before three years old. 3. ①
4. Because their brain activity is different from that of other kids.
5. It might be because of a mix of things like how we grow, our genes, and our environment.
Day 4: CBADD
Day 5: 1-5 CBAAC 6-10 BDACD
