To counteract these undesirable effects cylinder oils usually contain additives formulated to impart a high degree of （） and detergency.

[名词解释] After Effects

[单选题]What are not the resulting effects on cities when those people moved out?A． There were more crimes.B． Cities were in a bad condition.C． Only one mass transit system was completed.D． Some small companies move in while larger ones moved out.

[单选题]The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.A . volume of displacement of the vesselB . dimensions of the surface of the liquidC . amount of liquid in slack tanksD . specific gravity of the liquid in the tank

[主观题]List three effects of smiling on health according to the text. (within 8 words)① ② ③

[单选题]Recorded sound effects are used for a_______A．train leaving a stationB．baby cryingC．rooster crowingD．all of the above

[单选题]The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.A . volume of liquid in the tankB . volume of displacement of the vesselC . location of the tank in the vesselD . height of the c

[单选题]A．dverse effects have been rarely reported：digestive disturbance，rashes， headache.该句最常见于药品说明书的（ ）。A．治疗适应症 项下B．副作用 项下C．警告 项下D．禁忌症 项下E．药物的相互作用项下

[试题]The effects 9f rapid travel on the body are actually far______(disturb)than we realize.

[单选题]After Effects TimeLine面板不可以（）A .排列素材的顺序以及图层的上下顺序B .设定Effects动画C .设定位置动画D .设定图层的背景颜色

[多选题] After Effects提供了哪些灯光类型？（）A . ParallelB . SpotC . PointD . Ambient