【单选题】What the author tries to suggest may best be interpreted as ______.
A.
It's no use crying over spilt milk
B.
More haste, less speed
D.
He who laughs last laughs best
【判断题】光圈的作用是:1.控制曝光量。 2.控制景深
【简答题】如果单片机所有中断都被允许,当外部中断 0 和定时器 T0 的中断请求同时来时,首先转入 中断服务程序。
【单选题】If you meet troubles or difficulties in your life, you must try to _____ the troubles. [ ]
【单选题】—Millie, here is _____ bridge. What can you see across _____bridge? —Oh, _____elephant is standing over there.
【多选题】在证券投资中,衡量投资风险的大小通常采用β系数,关于β系数下列表述正确的有( )。
B.
某股票β系数=1,说明其风险等于市场平均风险
D.
某股票β系数>1,说明其风险大于市场平均风险