很可能引起中毒的氟摄入阈值为每公斤体重()
A.1mg
B.3mg
C.5mg
D.10mg
E.15mg
参考答案:C
— Let’s go to a place _______ we can make a round—trip in one day?
—What about one _______ we can climb and swim?
A.to which; where
B.where; where
C.where; in which
D.in which; where
以下关于颞下颌关节紊乱综合征的治疗原则,哪种说法是错误的
A.早发现早行手术治疗B.心理治疗不容忽视C.可选用局部封闭治疗D.治疗局部关节症状同时改善全身状况和精神状态E.采取对症治疗和消除或减除关节病同时的综合治疗