1. The construction of the Great Wall of China dates back almost .............. years.

3000

200

2000

2500

2. The wall was divided into .............. military walls.

four

five

nine

three

3. The Great Wall of China begins from .............. .

Gansu

Chenhuangdao

Gautai

Beijing

4. The Great Wall cuts a vast area of ............ km 2.

2300

2400

2500

2422

5. The most popular destination of the visit to the Great Wall is .............. .

Gansu

Badaling

Chenhuangdao

Gautai

6. The wall was built for .............. purpose.

sociable

defensive

religious

moral