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问题 选择题

       “起朔漠，并西域，平西夏，灭女真，臣高丽，定南诏，遂下江南，而天下为一，”这一史书记载反映的是下列哪个王朝的兴起  [ ]

A、宋

B、元

C、明

D、清

答案

答案：B

选择题

假性近视，真性近视，远视眼矫正的办法依次是（　　）

①注意用眼卫生，坚持做眼保健操 ②戴凹透镜 ③戴凸透镜．

A．①②③

B．①③②

C．③②①

D．②①③
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单项选择题

If a developmental psychologist believes that 6-year-olds solve logical problems more efficiently and accurately than 3-year-olds because their memory holds more information and works more rapidly, this belief is consist with which of the following theories()

A．Information processing

B．Erickson

C．Kohlberg

D．Piaget
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