第一节 单项填空(共10小题；每小题1分，满分10分)

21. President Xi said that China would _______ the new economic challenges in the world by promoting interconnected development.

A. correspond to B. respond to C. refer to D. subscribe to

22. In China, the most famous zongzi, rice dumplings wrapped in leaves, are ______ from Zhejiang's Huzhou and Jiaxing, and these have become the national standard.

　　A. those B. these C. that D. ones

23. I noticed that he was wearing shoes that did not match. He too hard to notice.

A. might be working B. can have worked

C. must have been working D. should have been worked

24. in music, according to the analysis of some traffic cases, is the main cause of many traffic accidents.

A. Drivers' being absorbed B. Drivers' absorbed

C. Drivers' absorbing D. Drivers being absorbing

25. Some special projects are ______ to protect our environment, so we may be _____ to having a clean and beautiful home in the near future.

　 A. on the way; under way B. under way; on the way

　 C. in the way; on the way D. on the way; in the way

26. --What do you think of the new boss?

--He cares more about the needs of the employees, his personal gain or loss.

A. in favor of B. in search of C. regardless of D. in charge of

27.Onthe stage a number of famous singers, songs welcomed by the majority of young people.

A. is; their B. are; whose C. is; whose D. are; their

28.Difficult as part of the passage was ______, I managed to catch hold of its meaning in the end.

A. understanding B. to be understood C. to understand D. being