She doesn't like onions and she buys them.[ ]
A. usually
B. often
C. never
D. always
答案:C
信贷授权按照行业进行授权时,应对除了()行业适当上收审批权限。
A.高污染
B.产能过剩
C.高效节能
D.高耗能
牙防指导组派出一专家小组到某氟牙症流行地区调查流行状况及其影响因素。根据研究计划,他们进行了以下工作
饮水氟含量适宜浓度为()
A.0.2~0.6ppmF
B.0.7~1.OppmF
C.1.0~1.5ppmF
D.1.5~2.0ppmF
E.2~2.5ppmF