小强今年5岁,他常常对姐姐说,“我恨不得快点长大,那样的话我就可以同妈妈结婚了”,根据弗洛伊德的观点,小强最有可能处于下面哪一个时期?()
A. 肛门期
B. 口腔期
C. 性器官期
D. 潜伏期
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He _______ special training on acupuncture . He seems to know everything about this Chinese traditional treatment.
A. should have had
B. must have had
C. could have had
D. would have had
试比较皮亚杰与维果斯基关于心理发展的基本观点,并结合儿童发展与教育进行论述。
()是世界上高速铁路投产运营里程最长、在建规模最大、运行速度最快的国家。
A美国
B德国
C俄罗斯
D中国