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【单选题】
对照明电路,下面( )情况不会引起触电事故。
A.
人赤脚站在大地上,一手接触火线,但未接触零线
B.
人赤脚站在大地上,一手接触零线,但未接触火线
C.
人赤脚站在大地上,两手同时接触火线,但未碰到零线
D.
人赤脚站在大地上,一手接触火线,一手接触零线
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【多选题】Part V. 日常对话(本题共 10 分,每小题 2 分。) 本部分有 5 组对话,从给出的八个选项中选出一个符合语境的最佳答案。
A.
just a little E. I’m very glad to go with you
B.
Yes, but thanks anyway F. I think I’ve got the flu
C.
Wow! How nice G. Would you join us
D.
Ok, I’ll show it to you again H. Nobody believes him because he always tells lies 1. Jane: Would you have a bit more fish please? Paul: Yes, ________.The fish really tastes nice. Jane: Thank you. 2. George: I’m sorry I don’t quite follow you. Betty: __________. George: You’re so helpful. 3. Salma: What do you think of Jack? Kurt: __________. Salma: Really? I thought he was an honest guy. 4. Sally: A new car factory will be set up in the city. Jim: __________! Can we visit it sometime? Sally: Sure! 5. Daisy: Fred, why don’t you come and have a picnic with us? Fred: _________. Daisy: That’s great! Do remember the time and the place. Fred: No problem.
【单选题】– It’s really nice of you to give me the ride! –________
A.
That’s right.
B.
My pleasure.
C.
I’m glad to hear that.
D.
Oh, I like the ride.
【多选题】Part V. 日常对话(本题共 10 分,每小题 2 分。) 本部分有 5 组对话,从给出的八个选项中选出一个符合语境的最佳答案。
A.
just a little
B.
Yes, but thanks anyway
C.
Wow! How nice
D.
Ok, I’ll show it to you again
E.
I’m very glad to go with you
F.
I think I’ve got the flu
G.
Would you join us
H.
Nobody believes him because he always tells lies 1. Jane: Would you have a bit more fish please? Paul: Yes, ________.The fish really tastes nice. Jane: Thank you. 2. George: I’m sorry I don’t quite follow you. Betty: __________. George: You’re so helpful. 3. Salma: What do you think of Jack? Kurt: __________. Salma: Really? I thought he was an honest guy. 4. Sally: A new car factory will be set up in the city. Jim: __________! Can we visit it sometime? Sally: Sure! 5. Daisy: Fred, why don’t you come and have a picnic with us? Fred: _________. Daisy: That’s great! Do remember the time and the place. Fred: No problem.
【多选题】二尖瓣狭窄的最主要血流动力学改变为:
A.
左心房增大
B.
左心房增大
C.
左心室增大
D.
右心房增大
E.
主动脉扩张
F.
肺动脉扩张
【单选题】对于电池反应 Cu 2+ + Zn = Cu + Zn 2+ , 下列说法正确的是
A.
当 c (Cu 2+ )= c (Zn 2+ ) 时,电池反应达到平衡
B.
当 Zn 2+ /Zn = Cu 2+ /Cu 时,电池反应达到平衡
C.
当原电池的标准电动势为 0 时,电池反应达到平衡
D.
当原电池的电动势为 0 时,电池反应达到平衡。
E.
当 Cu 2+ , Zn 2+ 均处于标准态时,电池反应达到平衡
【单选题】对于电池反应Cu2+ + Zn=Cu + Zn2+,下列说法正确的是
A.
当c(Cu2+)=c(Zn2+)时,电池反应达到平衡
B.
当原电池的电动势为0时,电池反应达到平衡
C.
当Cu2+,Zn2+均处于标准态时,电池反应达到平衡
D.
当原电池的标准电动势为0时,电池反应达到平衡
【单选题】对于电池反应Cu 2+ + Zn = Cu + Zn 2+ ,下列说法正确的是
A.
当c(Cu 2+ )=c(Zn 2+ )时,电池反应达到平衡
B.
当 时 ,电池反应达到平衡
C.
当原电池的标准电动势为0时,电池反应达到平衡
D.
当原电池的电动势为0时,电池反应达到平衡
【单选题】对于电池反应 Cu 2+ + Zn = Cu + Zn 2+ ,下列说法正确的是
A.
当 c(Cu 2+ ) = c(Zn 2+ ) 时,电池反应达到平衡
B.
当 (Zn 2+ /Zn) = (Cu 2+ /Cu) 时,电池反应达到平衡
C.
当 Cu 2+ , Zn 2+ 均处于标准态时,电池反应达到平衡
D.
当原电池的电动势为 0 时,电池反应达到平衡
【单选题】对于电池反应 Cu 2+ + Zn = Cu + Zn 2+ ,下列说法正确的是 ( ) 。
A.
当 c(Cu 2+ ) = c(Zn 2+ ) 时,电池反应达到平衡。
B.
C.
当 Cu 2+ , Zn 2+ 均处于标准态时,电池反应达到平衡。
D.
当原电池的电动势为 0 时,电池反应达到平衡。
【单选题】对于电池反应Cu2+ + Zn = Cu + Zn2+,下列说法正确的是。
A.
当c(Cu2+) = c(Zn2+)时,电池反应达到平衡
B.
当 (Zn2+/Zn)= (Cu2+/Cu) 时,电池反应达到平衡
C.
当原电池的标准电动势为0时,电池反应达到平衡
D.
当原电池的电动势为0时,电池反应达到平衡
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