为保证油浆固体含量合格,应采取的措施是()。
A.减小油浆循环量
B.保证油浆下进口量
C.循环量要大
D.减小外甩量
参考答案:C
Criticized as online games are, they never fail to ______ a large number of teenagers.
A.appeal to
B.object to
C.refer to
D.turn to
简述呕吐的病机及治则。