Page I
Page 4:
III. 1. His voice sounded
strange on the phone.
2. An unusual noise caught his attention.
3. Life is full of ups and downs.
4. The city is known for its long history.
Page 6:
III. 1. Further treatment
2. are about to make
3. They carried out
4. features
Page II
应用文实战演练：
ABAC
Page III
Comprehension test:
1-3 CDC
Vocabulary in use:
1. nod 2. gesture
3. stronger 4. express
5. depending
Page IV
Day 1:
1. Shenzhen.
2. Ten minutes by electric bicycle.
3. The E-Channel service on the Hong Kong side.
4. People have enough time to do things in Guangdong, Hong Kong, and Macao all on the same day.
5. It is not difficult at all.
Day 2: BAB
Day 3: BBAC
Day 4: BAB
Day 5: 1-5 DBABC
6-10 DADCD
11-12 BA
