The word "census" means ______ in Chinese.
A. 资源调查
B. 财政预算
C. 人口普查
D. 教育规划
辛甘大热，治下元虚冷之要药是( )
A. 桂枝
B. 附子
C. 干姜
D. 吴茱萸
E. 肉桂
--who's the man talking to our teacher--A professor ______ a visit to our school.
A. pays
B. is paying
C. had paid
D. paying
It is certain that ______.
A. an object had exploded three miles above the forest
B. the explosion was not caused by a comet
C. an atomic explosion once happened above the ground
D. some form of life from other planets once visited the earth then
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