治疗苯胺中毒的药物是
A.小剂量亚甲蓝(美蓝) B.亚硝酸钠-硫代硫酸钠 C.依地酸二钠钙 D.大剂量亚甲蓝(美蓝) E.阿托品
参考答案:A
无牙颌患者取印模时,选择托盘的宽度应比牙槽嵴宽()
A.0.5mm
B.1.0m
C.1.5~2.0mm
D.2.1~4.0m
E.4.1~5.0mm
Scientists are increasingly _____ that the earth is getting hotter because of carbon dioxide and other gases.
A.convinced
B.confident
C.concerned
D.conscious