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【多选题】
对黑体辐射的解释中, 关于黑体辐射分布曲线,维恩根据经典热力学得出的公式在 部分与实验不符;琼斯用能量均分定理和电磁理论得出的公式在 部分与实验不符; 克提出了 的概念,得到了和实验结果符合的很好的公式。
A.
短波;长波;能量子
B.
长波;短波;能量子
C.
高频;低频;能量子
D.
低频;高频;能量子
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【单选题】己糖激酶以葡萄糖为作用物时,Km=1/2[S], 其反应速度υ是V的( )
A.
67%
B.
50%
C.
33%
D.
15%
E.
9%
【单选题】Talks and Conversations Directions: In this part of the test, you will hear several short talks and conversations. After each of these, you will hear a few questions. Listen carefully because you will...
A.
She was impressed by it.
B.
It was a waste of money.
C.
She was amazed it had opened so soon.
D.
She didn't like it as much as the other wings.
【单选题】鸡新城疫的特征病理变化是( )。
A.
腺胃粘膜有出血点
B.
肾浆膜出血
C.
气囊炎
D.
体腔积液
【简答题】A decimal number 1897.52=( )2421 BCD=( )8421BCD
【单选题】Talks and Conversations Directions: In this part of the test, you will hear several short talks and conversations. After each of these, you will hear a few questions. Listen carefully because you will...
A.
He is out of work now.
B.
He is worried about unemployment.
C.
He is planning on next year.
D.
He is thinking of further education.
【单选题】设A在北半球,B在南半球,从A到B的恒向线航向为150 o,则B到A的大圆始航向为:
A.
大于330 º
B.
小于330 º
C.
等于330 º
D.
以上均有可能
【单选题】下列关于戚风蛋糕的描述错误的是()
A.
戚风蛋糕采用蛋清 ,蛋黄分别搅拌法
B.
海绵感更强,口感更柔软
C.
拌糊时用左右旋涡式搅拌
D.
搅打蛋清的容器切忌油污
【单选题】己糖激酶以葡萄糖为作用物时,km=1/2[S]。其反应速度V是Vmax的( )
A.
67%
B.
50%
C.
33%
D.
15%
E.
9%
【单选题】己糖激酶以葡萄糖为作用物时, Km=1/2[S], 其反应速度 υ 是 Vmax 的
A.
67%
B.
50%
C.
33%
D.
15%
E.
以上都不是
【单选题】设A在北半球,B在南半球,从A到B的恒向线航向为150°,则B到A的大圆始航向为 。
A.
大于330°
B.
小于330°
C.
等于330°
D.
以上均有可能
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