【简答题】本实验中声速的测定方法有( )A. B. C.
【单选题】It is reported that some scientists in the United States have found a new______for cancer.
【单选题】“要求企业采用的会计处理方法和程序前后各期必须一致,不得随意变更”这是金融企业会计核算一般原则中的()。
【单选题】在卫生行政部门指定的医疗机构,可以接受免费的艾滋病咨询和初筛检测,检测结果是
【单选题】The scientists made the deduction that the Iceman
A.
was probably in some kind of a battle.
B.
was hit in the shoulder by an arrowhead.
C.
had got a wound on the back of his head.
D.
had a tiny hole in his skin causing his death.
【单选题】Some scientists say it is essential that mankind______the amount of air pollution in big cities.
【单选题】It is reported that some scientists in Great Britain have found out a new _____ to cancer treatment. [ ]