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【多选题】
如图所示,理想变压器原、副线圈的匝数比为10:1,电压表和电流表均为理想交流电表,从某时刻开始在原线圈两端加上交变电压,其瞬时值表为 则()
A.
电压表的示数为
B.
在滑动变阻器触头P向上移动的过程中,电流表A 2 的示数变小
C.
在滑动变阻器触头P向上移动的过程中,电流表A 1 的示数变大
D.
在滑动变阻器触头P向上移动的过程中,理想变压器的输入功率变小
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【单选题】经糖酵解和三羧酸循环产生的还原性电子载体(),其携带的电子经呼吸链逐级定向传递给O 2 后被氧化
A.
NADH和FADH 2
B.
NADH和FMN
C.
NAD + 和FMN
D.
NAD + 和FADH +
E.
FADH + 和FMN
【单选题】听力原文:W: Did your pictures of the Zhongshan Square come out like you expected? M: Actually, I ran out of film before I could even begin. I didn't realize I' d finished the roll. Q: Why didn' t the man ...
A.
He run out of money to buy the film.
B.
The film hasn't been developed yet.
C.
He didn't have enough film.
D.
The store has lost them.
【多选题】自然界物体具有如下()的电磁波能力 。
A.
发射
B.
吸收
C.
反射
D.
折射
【单选题】患者,男性,68岁。急性心肌梗死。若发生左侧心力衰竭,则主要的原因可能是
A.
肺不张
B.
心脏负荷加重
C.
心律失常
D.
情绪激动
E.
心肌收缩力减弱和不协调
【简答题】embarrass in a word prefer recommend familiar suppose specific cooperation see off detail I am not really ________ with the local laws. I need your______ in this project. She was____________ w...
【单选题】—I didn't hear you come in last night. —That's good. We tried noisy.
A.
not be
B.
not to be
C.
to be not
D.
to not be
【单选题】听力原文:Jackit: Will you come round the back, please? The front door's blocked at the moment. Gwen. Hello, I'm Gwen Jenkins. I live two doors down at Number 111. Jackit: Oh, I'm sorry. I didn't recognise...
A.
Badly built.
B.
Very dirty.
C.
In disorder.
D.
Very clean.
【单选题】经糖酵解和三羧酸循环产生的还原性电子载体( ),其携带的电子经呼吸链逐级定向传递给0,后被氧化
A.
NADH和FADH 2
B.
NADH和FMN
C.
NAD + 和FMN
D.
NAD + 和FADH +
E.
FADHT和FMN
【单选题】急性心肌梗死患者发生左侧心力衰竭的主要原因是
A.
肺部感染
B.
心脏负荷加重
C.
房室传导阻滞
D.
情绪激动
E.
心肌收缩力减弱和不协调
【单选题】听力原文:M: Why didn't you go to the pub on the weekend? You missed a great little party. W: Oh, come on. You know how I feel about all the smoke in there. Q: What can be inferred about the woman? (19)
A.
She didn't come because she can't stand the smoke in the pub.
B.
She is regretful for not going to the party.
C.
She is a heavy smoker and can' t help smoking at the party.
D.
She doesn't like going to parties very much.
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