动物性食物和豆类等的摄入量占膳食总量的()为宜。
A、15%-20%
B、25%—30%
C、20%-25%
D、35%-40%
参考答案:B
商业承兑汇票的出票人,为在银行开立存款账户的()。
A.法人
B.个人
C.其他组织
D.个体工商户
During many sectors are foundering, the $21 billion videogame-software industry is booming, adding game developers at a rate of 2,500 a year in the United States alone.
A.When
B.Whereas
C.Would
D.While