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【单选题】
短时记忆保持的时间是2秒到5秒。（ ）A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】在高中通用技术新课程标准中，选择性必修模块中，下列哪几项属于技术与创新系列
A.
创造力开发与技术发明
B.
产品三维设计与制造
C.
科技人文融合创新专题
D.
智能家居应用设计
【单选题】What did Les Brown do after his first chance had been a complete bust?
A.
He gave up on his dream and continued to be a garbage collector for a while.
B.
He had to save money to buy his mother presents.
C.
He was discouraged by his mother to let go of his dream of becoming a DJ.
D.
He persisted in his dreams with his mother's encouragement.
【简答题】( ) is a holder who has taken a bill with complete and regular items on the face under the following conditions. (1) that he become the holder of it before it was overdue and wi...
【简答题】直接融资就是指以金融机构作为信用中介而进行的融资。( )
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