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【单选题】
---Are you __________ to go on a trip to Taiwan? ---Yes. But I don’t have ___________.A.
free enough, enough money
B.
enough free, enough money
C.
free enough, money enough
D.
enough free, money enough
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皮皮学刷刷变学霸
举一反三
【单选题】关于介质中的高斯定理 ,下列说法正确的是()
A.
高斯面上的电位移通量仅与面内的自由电荷的代数和有关
B.
高斯面上处处电位移矢量为零，则高斯面内不存在自由电荷
C.
高斯面上的电位移通量由面内的自由电荷和束缚电荷共同决定
D.
高斯面内不包围自由电荷时，高斯面上各点的电位移矢量为零
【单选题】具有下列化学名的药物的药理作用为1-(4-氨基-6，7-二甲氧基-2-喹唑啉基)-4-(2-呋喃甲酰)哌嗪
A.
β-受体阻断剂
B.
选择性α1-受体阻断剂
C.
中枢性降血压
D.
β-受体激动剂
E.
α-受体激动剂
【简答题】Part III Reading Comprehension
【简答题】As time went by, he began films. He grew more and more popular as his charming character, the little tramp, became known _ 小题1: _ ____________ the world. The tramp, a poor, homeless man with a ...
【单选题】关于电介质中的高斯定理,下列说法中正确的是[ ]
A.
若通过该曲面的电位移通量为零,曲面内一定没有自由电荷
B.
若通过该曲面的电位移通量为零,曲面内电荷的代数和一定为零
C.
电介质中的高斯定理表明电位移矢量仅与自由电荷的分布有关
D.
介质中的电位移矢量与自由电荷和极化电荷的分布均有关
【简答题】. III. Reading Comprehension Section A Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best f...
【简答题】As time went by, he began 1________. He grew more and more popular as his 2________ character, the little tramp, became known 3________ the world. The tramp, a poor, 4________ man with a mou...
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