对乡镇企业的企业所得税优惠政策是 ( )。
A.按税率减征10%
B.按应税所得额减征10%
C.按应缴税款减征10%
D.按收入总额减征10%
参考答案:C
下列疾病中哪些必须进行粪便消毒()
A.疟疾
B.细菌性痢疾
C.病毒性肝炎
D.伤寒
E.流行性出血热
27.---Where have you been?
---I got caught in traffic, otherwise I _______ here earlier.
A.would be
B.have been
C.had been
D.would have been