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【多选题】
如图,图甲所示,在杂技表演中,猴子沿竖直杆向上运动,其v-t图象如图乙所示。人顶杆沿水平地面运动的s-t图象如图丙所示。若以地面为参考系,下列说法中正确的是
A.
猴子的运动轨迹为直线
B.
猴子在2s内做匀变速曲线运动
C.
t=0的速度大小为8m/s
D.
t=2s的加速度大小为4m/s 2
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【单选题】High corporate leaders seem to be ______ promoting diversity so as to be competitive in the world market.
A.
in relation to
B.
in favor of
C.
in contrast to
D.
in excess of
【单选题】High corporate leaders seem to be in favor of promoting diversity so as to ______.
A.
lower the rate of unemployment
B.
win equal political rights
C.
#NAME?
D.
satisfy the demands of businessmen
【单选题】What are the most important two areas of corporate law?
A.
Corporate governance and corporate financ e
B.
Corporate governance and corporate structur e
C.
Corporate finance and corporate liability
D.
Separate legal personality and formation of board of directors
【单选题】What is the primary document of corporate constitution?
A.
By-laws
B.
Articles of incorporation
C.
Articles of association
D.
Corporate Minutes
【单选题】High corporate leaders seem to be in favor of promoting diversity so as to_________.
A.
lower the rate of unemployment
B.
win equal political rights
C.
be competitive in the world market
D.
satisfy the demands of businessmen
【多选题】多选 角锥棱镜的特性有( )
A.
不产生附加光程差
B.
点对称
C.
光程恒定
D.
入射光与出射光始终平行
【单选题】计算机的防范应树立()为主的思想防止病毒进入自己的计算机系统
A.
预防
B.
备份
C.
检测
D.
隔离
【判断题】( )应经常开门、开窗通风,新鲜的空气会使婴幼儿入睡快、睡得香。
A.
正确
B.
错误
【单选题】High corporate leaders seem to be in favor of promoting diversity so as to ______.
A.
lower the rate of unemployment
B.
win equal political rights for minorities
C.
be competitive in the world market
D.
satisfy the demands of a growing population
【多选题】角锥棱镜的特性包括
A.
入射光与出射光始终平行
B.
点对称
C.
正入射时,光线在角锥棱镜内的光程为定值
D.
无论入射角如何,光线在角锥棱镜内的光程总是一定值
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