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【简答题】
The atomic number is always the same as the number of which kind of subatomic particle?
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皮皮学刷刷变学霸
举一反三
【单选题】1mol 单原子分子理想气体从 298 K,200.0 kPa 经历: 1 等温, 2 绝热, 3 等压三条途径可逆膨胀,使体积增加到原来的2倍,所作的功分别为W1,W2,W3,三者的关系是:
A.
|W1|>|W2|>|W3|
B.
|W2|>|W1|>|W3|
C.
|W3|>|W2|>|W1|
D.
|W3|>|W1|>|W2|
【简答题】半导体二极管又叫晶体二极管,是由一个 PN 结构成,它具有 性。
【单选题】甲、乙订立一份价款为10万元的图书买卖合同,约定甲先支付书款,乙个月后交付图书。甲由于资金周转困难只交付5万元,答应余款尽快支付,但乙不同意。2个月后甲要求乙交付图书,遭乙拒绝。对此,下列哪一表述是正确的?
A.
乙对甲享有同时履行抗辩权
B.
乙对甲享有不安抗辩权
C.
乙有权拒绝交付全部图书
D.
乙有权拒绝交付与5万元书款价值相当的部分图书
【多选题】Here are some sentences from two public speakers. Please read through them carefully and then make a judgement, who is more likely to suffer from stage fright?
A.
I will forget my speech when I reach the podium.
B.
Before giving a speech I often feel light-hearted.
C.
When I know my materials well, I am much confident about delivering my speech in public.
D.
I am so anxious to leave the stage that I state my speech as fast as I can.
【单选题】The “I” in the NIPP+ anti-stage fright recipe stands for ___:
A.
incredible
B.
invisible
C.
invigorating
D.
innovative
【单选题】1mol 单原子分子理想气体从 298 K , 202.65 kPa 经历: 1 等温 , 2 绝热 , 3 等压。 三条途径可逆膨胀使体积增加到原来的 2 倍,所作的功分别为 W 1 , W 2 , W 3 ,三者的关系是:
A.
W 1 > W 2 > W 3
B.
W 2 > W 1 > W 3
C.
W 3 > W 2 > W 1
D.
W 3 > W 1 > W 2
【简答题】脂肪酸合成需要的原料有 、 、 和 等。
【单选题】The “I” in the NIPP+ anti-stage fright recipe stands for ___:
A.
Incredible
B.
Invisible
C.
Invigorating
D.
Innovative
【单选题】Who is more likely to suffer from stage fright?
A.
When I know my materials well, I am much confident about delivering my speech in public.
B.
I am so anxious to leave the stage that I state my speech as fast as I can.
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