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【单选题】
有关半导体中载流子的有效质量,以下哪个概念是正确的?A.
有效质量是一个常数
B.
有效质量在外力作用下不会发生变化
C.
有效质量是与E-K关系二次微正比
D.
有效质量概括了晶体内部势场对载流子的作用
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【单选题】Mark Twain's Adventures of Huckleberry Finn Samuel Clemens, whose pen name is Mark Twain, publishes Adventures of Huckleberry Finn in 1885 in America. He has been at work for eight years on the story ...
A.
It was banned by many libraries as trash in the U. S.
B.
The book was attacked to be coarse and inappropriate.
C.
It was praised for its free-spirited and truthful hero.
D.
It was praised for the colorful stories it narrates.
【多选题】Which of the following statements about Mark Twain is True?
A.
Mark Twain is the pen name of Samuel Langhorne Clemens.
B.
Mark Twain was called “the father of American literature”.
C.
Many of Mark Twain’s great works were set in the background of the Amazon River.
D.
Mark Twain is regarded as the founder of American critical realism literature.
【简答题】在 本教材中介绍了哪三种影响较大的教学目标分类理论: __________________ 、 加涅的学习结果分类系统 和国内学者的二维层次模型。
【多选题】Which of the following statements about Mark Twain is True?
A.
Mark Twain is regarded as the founder of American critical realism literature.
B.
Many of Mark Twain's great works were set in the background of the Amazon River.
C.
Mark Twain was called“the father of American literature”.
D.
Mark Twain is the pen name of Samuel Langhorne Clemens.
【单选题】Which statement about the name “ Mark Twain ” was NOT right?
A.
Mark Twain was a pen name
B.
Mark Twain was a real name
C.
Mark Twain ’ s real name was Samuel Langhorne Clemens
D.
Mark Twain means very deep water
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