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【单选题】
关于网络学习,下列说法正确的是A.
网络学习很困难并且浪费时间
B.
许多地区已经使用网络学习来辅助课堂教学
C.
网络学习对学生没有帮助
D.
网络学习就是在没有老师的情况下听课
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A.
泵论
B.
中向离合器
C.
涡轮
D.
导轮 1039 4 挡自动变速器是指有4 个前进挡 以及 (ABD )的自动变速器 (A )N 挡 (B )P 挡 (C )手制动挡 (D )R 挡
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A.
正确
B.
错误
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