21.Sichuan cuisine often uses cooking techniques such as baking, Jiangsu cuisine employs braising and stewing.
A. When
B. While
C. Where
D. As
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22. Foreigners often wonder how Chinese people can cut and pick up fooda pair of chopsticks.
A. other than
B. rather than
C. no more than
D. not much more than
23. The rule of the game is that the tied players get one more turn, andgets the highest score wins.
A. whoever
B. whatever
C. whichever
D. wherever
24. Theof predator species and prey species is 1:5 in this park, which is an ideal balance in ecological communities.
A. pace
B. speed
C. ratio
D. rate
25. The world’s population is aging. It is estimated that the people aged 60 or over will15% of the entire population by 2020.
A. consist
B. comprise
C. compose
D. include