【多选题】关于简谐运动的下列说法中,正确的是( )
C.
物体的运动方向指向平衡位置时,速度方向跟位移方向相反;背向平衡位置时,速度方向跟位移方向相同
D.
水平弹簧振子朝左运动时,加速度方向跟速度方向相同,朝右运动时,加速度方向跟速度方向相反
【单选题】In the West, the emphasis is on what a man or woman does for a living. Here in the U.S., if you ask children what their fathers do, riley will say 'My daddy drives a truck' or 'My daddy is an engineer...
A.
what occupation you are engaged in
B.
what company you are employed by
C.
whether your job is stable
D.
whether you earn a good salary
【简答题】What are some techniques for resolving conflict?
【多选题】What role does the U.S. Constitution play?
A.
It is the earliest and ultimate document in U.S. law.
B.
It is a document that outlined the separation of the U.S. from the rule of the British Empire.
C.
It sets checks and balances into the three branches of government.
D.
It specifies the respective powers of the state government and the federal government.
【判断题】本机的环回IP地址一般情况下是127.0.0.1
【单选题】What does the headline " Chinese Spreading Across U.S." mean?
A.
Chinese Will Spread Across U.S.
B.
Chinese Are Spreading Across U.S.
【单选题】It is true that______.
A.
the average man often uses in his own vocabulary what was once technical language not meant for him
B.
various professions and occupations often interchange their dialects and jargons
C.
everyone is interested in scientific findings
D.
an educated person would be expected to know most technical terms
【判断题】水平弹簧振子朝左运动时,加速度方向跟速度方向相同,朝右运动时,加速度方向跟速度方向相反。
【单选题】运输向用户提供的是一种服务,是形成( )的主要手段