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【单选题】
Right-to-work laws refer to a situation where ____.A.
worker strikes are illegal
B.
every person who wants a job is guaranteed a job
C.
each state provides employment to those people receiving public assistance
D.
an individual cannot be compelled to join a union as a condition of employment
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【简答题】处于平衡态的一瓶氦气和一瓶氮气的分子数密度相同，分子平均平动动能也相同，则它们（）
【多选题】What can tell us about tthe deep class rift in the culture of England after the Norman conquest .
A.
When we talk of meat on our tables we use French words ;
B.
The y are cattle in the fields, but we sit down to beef (boeuf).
C.
Even if our menus were not written in French out of snobbery , the English we used in them would still be Norman English .
D.
when we speak of the animals from which the meat comes we use Anglo-Saxon words .
【单选题】Even if our menus were not written in French out of snobbery, the English we used in them would still be Norman English. What does "Norman English" mean?
A.
French
B.
English
C.
English influenced by French
D.
French influenced by English
【单选题】处于平衡态的一瓶氦气和一瓶氮气,分子数密度相同,分子的平均平动动能也相同,则他们的:
A.
温度、压强均不相同
B.
温度相同，但氮气气压大于氦气的气压
C.
温度、压强都相同
D.
温度相同，但氮气气压小于氦气的气压
【简答题】处于平衡态的一瓶氦气和一瓶氮气的分子数密度相同，分子平均平动动能也相同，则它们
【简答题】四杆机构中,从动件传动角愈___________ ,压力角愈___________ ,机构传动性能愈好。
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