回复突变（reversemutation或back mutation）
回复突变（reversemutation或back mutation）
相关考题：
Since he succeeded in working out the problem, he deserves ____________. (A) the pat on the back(B) a pat on his back(C) the pat on his back(D) a pat on the back
如果希望控件内容变化后立即向服务器提交请求,需要在控件中添加属性()。 A.Auto Post Back="true"B.Auto Post Back="false"C.Is Post Back="true"D.Is Post Back="false"
将多媒体控件(MMControl)的Frames属性设为3,则以下叙述正确的是( )。 A.指定Back或Step命令后退或前进的帧数都为3B.只有Back命令后退的帧数为3C.只有Step命令前进的帧数为3D.后退或前进的帧数都为6
Make（ ）copies of important files, and store them on separate locations to protect your information.A.back B.back-up C.back-out D.background
He came back so late that his father was angry last night. 学科网A. gave back B. retur He came back so late that his father was angry last night.A. gave back B. returned C. brought back
Under no circumstances______without looking carefully to the rear.A.should one back up a motor vehicleB.a motor vehicle should back upC.one should back up a motor vehicleD.should back up a motor vehicle
单选题将多媒体控件（MMControl）的Frames属性设为3，则以下叙述正确的是（）。A指定Back或Step命令后退或前进的帧数都为3B只有Back命令后退的帧数为3C只有Step命令前进的帧数为3D后退或前进的帧数都为6
单选题The hummingbird's feathers sparkled and glittered in the sunlight,_______.Aits back is shiny green and its throat bright redBits back shiny green and its throat is bright redCits back is shiny green and its throat is bright redDits back shiny green and its throat bright red
单选题Mother insisted that______.Athey are to be back before nine in the eveningBthey ought to be back before nine in the eveningCthey be back before nine in the eveningDthey had to be back before nine in the evening