皮皮学，免费搜题
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【单选题】
What should the children do to ensure the possession of their sites?A.
Frequently change their passwords of online accounts.
B.
Put their photos online frequently and randomly.
C.
Guarantee the decency of language on their sites.
D.
Use their read full name for their online account.
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皮皮学刷刷变学霸
举一反三
【单选题】两瓶不同种类的理想气体，设其分子平均平动动能相等，但分子数密度不相等，则( )
A.
压强不相等 ， 温度相等
B.
压强相等 ， 温度相等
C.
压强相等 ， 温度不相等
D.
方均根速率相等
【单选题】1-9两瓶内盛有不同种类的气体,其分子的平均平动动能相等,但分子数密度不同,则
A.
温度相同，压强不同
B.
温度不同，压强相同
C.
温度和压强均相同
D.
温度和压强均不相同
【单选题】两瓶不同种类的理想气体，设分子平均平动动能相等，但其分子数密度n不同，则（ ）
A.
压强相等，温度相等
B.
压强相等，温度不等
C.
压强不等，温度相等
D.
压强不等，温度不等
【单选题】What did the year-long study of heart attack victims find?
A.
Health conditions improve with time spent watching healthy programs.
B.
Comedy videos can cure most people of chronic heart attacks.
C.
Chances of having heart attacks reduce with those amused daily.
D.
Most patients can't survive once they suffer from a second heart attack.
【单选题】A patient went on a 3-day “ cleansing ” fast but did continue to consume water and vitamins. What is this patient ’ s source of fuel to maintain blood glucose levels under these conditions?
A.
Fatty acids
B.
Glycerol
C.
Liver glycogen stores
D.
Muscle glycogen stores
E.
Ketone bodies
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