1 . The Jiahu settlement is located in the central plain of ancient China, __________ area known today as the Henan Province. The people created the country’s oldest recognized civilization. (用适当的词填空)

2 . Most students are required to take part in the labor class once per week. Since September, labor class has been listed as __________ official course in the school lives of primary and middle school students. (用适当的词填空)

5 . Of all the subjects, I like history best because it gives us _______ useful knowledge of things in the past. (用适当的词填空)

7 . Yangzhou is ________city full of ________history, culture and mouthwatering food.

A．the;a

B．a;a

C．the; the

D．a;/

8 . My family have ________ breakfast together every day. This helps us start a day well.

A．不填

B．a

C．an

D．the

9 . Autumn is ________ best season to visit the Great Wall in China.

A．/

B．a

C．an

D．the

10 . —Betty began to play ________violin at the age of four. 
—No wonder she plays so well.

A．a

B．an

C．the

D．/