Don't let _______ in. I'm too busy to se_爱下问搜题

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问题选择题

Don't let _______ in. I'm too busy to see _______. [ ]

A. nobody; somebody

B. anybody; nobody

C. anybody; anybody

D. anybody; somebody

答案

答案：C

选择题

做简谐运动的弹簧振子，下述说法中不正确的是

A．振子通过平衡位置时，速度最大

B．振子在最大位移处时，加速度最大

C．振子在连续两次通过同一位置时，位移相同

D．振子连续两次通过同一位置时，速度相同

选择题

She brought with her three friends, none of ______ I had ever met before. [ ]

A. them

B. who

C. whom

D. that