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瑞士心理学家皮亚杰认为前运算阶段的儿童思维的主要特征有（）
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《基础教育课程改革纲要》指出，整体设置九年一贯制的义务教育课程，小学阶段以综合课程为主，初中阶段设置分科与综合相结合的课程，高中以分科教材为主。
有预定目的但无需或很少需要意志努力的注意是（）
Some years ago，Chinese high school students would show their new school bags，new clothes or new pens to their classmates when the new term started.Today，however，all have l6、（） If you still come back to school l7、（） 0nly these things，you are out—of-date（过时的）。Students in big cities like to bring the latest high.tech things to school，and feel happy and 18、（） to show off（炫耀）these things to 19、（）.Mobile phones，MP3 players，CD players，electronic dictionaries，the list is endless.Young people think that.1iving in the 21 st century，they must keep up with the 20、（） They don’t want to fall 21、（）.Besides，they think 22、（）they need to keep in touch with their classmates.SO they need mobile phones.They also like to 23、（）the pop music，SO they need CD players.They explain that，24、（）like electronic dictionarjes，these can be 25 in their study，26、（）.They think that their parents should understand 27、（）they want these things.Foreign students will also bring some latest high-tech things when they 28、（） to school at the beginning of a new term.29、（），they often use the money which they made by themselves during the holiday to 30、（）these high—tech things that they want. 30、（）
记忆的信息三级加工模型包括（）、短时记忆、长时记忆。
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