【简答题】随机老化理论不包括( )A. 体细胞突变理论 B. 免疫理论 C. 分子交联理论 D. 自由基理论 9 20世纪30年代出现的美国新精神分析的代表人物不包括(A) A. 海恩 B. 霍妮 C. 弗洛姆 D. 艾里克森
【单选题】在改革开放初期,我国旅游业发展走的是与西方旅游发达国家截然不同的道路,即()
【单选题】The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads ______.
A.
Warning,Keep Off,Stay Clear
C.
Warning,No Smoking,No Open Lights,No Visitors
D.
Dangerous Cargo Being Transferred
【单选题】What' s true about the heating?
A.
It' s only available during the day.
B.
It' s only available for bedrooms.
C.
It' s not in good condition.
D.
It' s available all day.