(8) Secondary (9) in a collective effort (10) serve as

Unit test

PartⅠ

CBBCC

PartⅡ

BADCB

PartⅢ

AADBC

PartⅣ

(1) political (2) Traditional (3) acquire (4) bear in mind (5) difficult (6) invented (7) successful

(8) reason for (9) thousands of (10) brains

Unit 2

Sharing

Task 2

(1) different countries (2) home (3) places (4) cultures

Task 3

1, 4, 5

Task 4

1. mature 2. airport 3. theater 4. scenery 5. culture

6. language

Task 5

b-a-d-f-c-e

Listening

Task 2 Activity 1

1. slowly sinking 2. two and a half 3. try and stop 4. temporary 5. permanent

Activity 2

3, 4, 5

Viewing

Task 2 Activity 1

DBBCD

Activity 2

1. busy 2. bars 3. friendliness 4. elegant 5. views 6. (1) beaches

(2) cheap

7. (1) changing (2) sunset 8. cried

Role-play

Task 2 Activity 1

3

Activity 2

(1) trying to (2) takes (3) looking for (4) right way (5) the first left