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【单选题】
下面变量中,是无穷大的是
A.
,当 时
B.
,当 时
C.
,当 时
D.
,当 时
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【简答题】The man should dial _______ ,extension________ for further information about the sports meet.
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【单选题】Which phone number should the man dial?
A.
77231059.
B.
7.73289e+007
C.
7.73211e+007
查看完整题目与答案
【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?
A.
She is busy now.
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.
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【简答题】The man should dial____________ to reach his friend in Miami.
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【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)
查看完整题目与答案
【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 )
查看完整题目与答案
【简答题】听下面一段材料，回答第1-2题。 1. Where does the conversation take place? A. At home. B. At a hotel. C. At a computer lab. 2. What number should the man dial later? A. 50703 B. 50730 C.50073
查看完整题目与答案
【简答题】什么是城市基础产业？城市基础产业包括哪些？它与城市经济增长是什么关系？结合桂林的实际谈谈如何规划好、发展好基础产业，更好地促进城市经济增长？
查看完整题目与答案
【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)
查看完整题目与答案
【简答题】The man should dial __________, extension 205 for further information about the sports meet.
查看完整题目与答案
相关题目：
【简答题】The man should dial _______ ,extension________ for further information about the sports meet.
查看完整题目与答案
【单选题】Which phone number should the man dial?
A.
77231059.
B.
7.73289e+007
C.
7.73211e+007
查看完整题目与答案
【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?
A.
She is busy now.
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.
查看完整题目与答案
【简答题】The man should dial____________ to reach his friend in Miami.
查看完整题目与答案
【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)
查看完整题目与答案
【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 )
查看完整题目与答案
【简答题】听下面一段材料，回答第1-2题。 1. Where does the conversation take place? A. At home. B. At a hotel. C. At a computer lab. 2. What number should the man dial later? A. 50703 B. 50730 C.50073
查看完整题目与答案
【简答题】什么是城市基础产业？城市基础产业包括哪些？它与城市经济增长是什么关系？结合桂林的实际谈谈如何规划好、发展好基础产业，更好地促进城市经济增长？
查看完整题目与答案
【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)
查看完整题目与答案
【简答题】The man should dial __________, extension 205 for further information about the sports meet.
查看完整题目与答案