煮沸消毒所需时间应从：（）
D
暂无解析
Wouldhehaveseenyouifyouhadn’t_____tohim?
AccordingtoStevenYoung,ifscientistsgetthedatathat________,theywouldpetitionforfasttrackstatus.
Lifeistooshort________________(不可每天将时间浪费在看电视上).
接生过程中，下列哪项是错误的
PartIVTranslation
Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.(PassageTwo)