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【判断题】
CPU与内存的工作速度几乎差不多,增加Chche只是为了扩大内存的容量.A.
正确
B.
错误
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】下列哪项符合退学要求?( )
A.
经医院确诊，患有精神病、癫痫、麻风病等疾病或意外伤残不能坚持正常学习者
B.
未经请假逾期两周不注册者
C.
本人要求退学，经劝说无效者
D.
学期内考试一门不合格，经补考合格后
【单选题】He was so pleased with all ______ we had done for him _____ he wrote us a letter to praise us for it.
A.
what; what
B.
what; that
C.
that; what
D.
that; that
【单选题】He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise for it. [ ]
A.
that, that
B.
what, that
C.
that, which
D.
which, what
【单选题】在假设检验中，原假设为H0，备择假设为H1，则称（）为犯第二类错误。
A.
H0为真，接受H1
B.
H0为真，拒绝H1
C.
H0不真，接受H0
D.
H0不真，拒绝H0
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