Page I
Page 2:
III. 1-4 dabc
5. Reusing plastic bags is good for the environment.
6. I am very glad to receive your letter.
7. Thousands of small businesses
close every year.
Page 6:
III. 1. discovered
2. direction
3. due
4. scared
6. Boquila trifoliolata can copy the shape and color of the plants near it.
7. In the northern half of Earth, most people’s hair spirals to the right. But in the southern half, it goes to the left.
8. Cows produce less milk when they are scared.
Page II
应用文实战演练：BCAD
Page III
Comprehension test:
ACAC
Vocabulary in use:
1. instrument 2. unique
3. musical 4. support
Page IV
Day 1: BACB
Day 2: 1. They help keep phones
safe and set hands free.
2. The lack of pockets on women’s clothes.
3. Beauty.
4. They reflect old ideas about women’s place in society.
5. Designing women’s clothes with deep, practical pockets.
Day 3: BDB
Day 4: DACB
Day 5: 1-5 DADBC
6-10 ABCDD
