Chinese men weigh 1.6kg heavier than 10 years ago, and women 1.8kg heavier, according to a survey published by the Chinese Nutrition Communication Conference.
A. on condition that
B. on average
C. in place
D. on behalf
网友回答
A. on condition that
(答案→)B. on average
C. in place
D. on behalf
解析：考查介词短语：A. on condition that条件是B. on average平均C. in place在适当的位置， D. on behalf代表，句意：中国男子平均比10年前重1.6公斤，女的重1.8公斤，这是国家营养交流协会的一项调查。选B。