1 . “Solving ________ problem of plastic pollution is important. Landfill space is becoming limited,” says Wu, a Stanford University environmental engineering instructor. (用适当的词填空)

2 . You wouldn’t believe ________success that we have had. In fact, a couple of weeks ago, our office air-conditioning went out. (用适当的词填空)

3 . The launch of Tianzhou-5 will be ________ 200th launch mission for the Xichang Satellite Launch Center this year, as well as the last one for the Wenchang launch site this year. (用适当的词填空)

4 . Chinese hamburgers are very real and they predate ________ hamburgers we call our own in the U. S. (用适当的词填空)

5 . Every summer in ancient Hangzhou, ________ capital city of the Southern Song Dynasty, each family cooked a new tea called Qijia tea，primarily together with fine fruits of various colors. (用适当的词填空)

6 . Over the last two years, some supermarkets have started selling chicken or salad in packs designed with two halves containing separate portions (份). Then, when you use one section, ________ other stays fresh. (用适当的词填空)

7 . Our National Day is on ________ first day in ________ October.

A．a; the

B．the; a

C．the; /

D．a; /

8 . In contrast to the court life and upper-class culture represented by the Forbidden City, the Summer Palace, and the Temple of Heaven, the hutongs reflect ________culture of grassroots Beijingers. （用适当的词填空）

9 . The Yellow River basin is home to a lot of cultural relics, ancient documents and other important cultural heritage, and their protection is a very important part of the river’s protection and governance, since it is of irreplaceable significance to promoting __________ inheritance (继承) of Chinese civilization. (用适当的词填空)

10 . The present-day Analects is based on the Lu version compiled during the Han Dynasty and embodies ________ Confucian concept of ren or humanity or benevolence. Ren is rich in content, and varied in form. (用适当的词填空)