【单选题】下列各项中引起资产和权益同时减少的是()
【简答题】The man should dial _______ ,extension________ for further information about the sports meet.
【单选题】Which phone number should the man dial?
【单选题】听力原文:M: I'm getting a busy signal when I dial the operator. W: The same thing is happening to me. What does the woman mean?
B.
The operator did the same thing to her.
C.
If the line is busy, the man should dial later.
D.
She can't reach the operator either.
【简答题】The man should dial____________ to reach his friend in Miami.
【单选题】物质的量为n的理想气体从T1, p1, V1变化到T2, p2, V2,下列哪个公式不适用 (设CV, m 为常数)?
A.
ΔS = nCp, m ln(T1/T2) + nRln(p2/p1)
B.
ΔS = nCV, m ln(p2/p1) + nCp,m ln(V2/V1)
C.
ΔS = nCV, m ln(T2/T1) + nRln(V2/V1)
D.
ΔS = nCp, m ln(T2/T1) + nRln(p1/p2)
【单选题】物质的量为 n 的理想气体从 T 1 , p 1 , V 1 变化到 T 2 , p 2 , V 2 ,下列哪个公式不适用 ( 设 C V, m 为常数 ) ?
A.
Δ S = nC p , m ln( T 1 / T 2 ) + nR ln( p 2 / p 1 )
B.
ΔS = n C V, m ln( T 2 / T 1 ) + nC p,m ln( T 2 / T 1 )
C.
Δ S = nC V, m ln( T 2 / T 1 ) + nR ln( V 2 / V 1 )
D.
Δ S = nC p, m ln( T 2 / T 1 ) + nR ln( p 1 / p 2 )
【单选题】物质的量为n的理想气体从T1,P1,V1变化到T2,P2,V2,下列哪个公式是错误的(设Cv,m为常数)
A.
ΔS=nCp,mln(T2/T1 )+nRln(p2/p1)
B.
ΔS=nCp,mln(T2/T1)+nRln(p1/p2)
C.
ΔS=nCV,mln(T2/T1)+nRln(V2/V1)
D.
ΔS=nCV,mln(p2/p1)+nRln(V2/V1)
【简答题】The
man should dial __________, extension 205 for further information about the sports
meet.