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【单选题】
半导体中空穴的移动实际上反映了半导体中 的移动。A.
自由电子
B.
正离子
C.
负离子
D.
共价键中价电子
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举一反三
【单选题】What can we learn from the passage?
A.
We can keep our blood sugar steady by eating refined carbohydrates.
B.
After meditation, people feel refreshed and don’t worry about their problems.
C.
A healthy and balanced diet is the only effective way for us to reduce stress.
D.
A substance produced during exercise cangive us better performance.
【单选题】I. Read the following statements and choose the correct answer.There is no denying that students should learn something about how computers work, just as we expect them at least to understand that the...
A.
programming a computer is as interesting as making a violin
B.
our society needs experts in different fields
C.
violin-making requires as much skill as computer programming
D.
people who can use a computer don’t necessarily have to know computer programming
【单选题】在下列各项中,计算结果等于先付年金现值系数的是( )
A.
（F/A，i，n+1）-1
B.
（P/A，i，n-1）+1
C.
（F/A，i，n-1）+1
D.
（P/A，i，n+1）-1
【单选题】We don’t learn our culture through _________.
A.
proverbs
B.
art
C.
mass media
D.
self-taught
【简答题】在“观察水的沸腾”的实验中 （1）某实验小组观察到水沸腾前和沸腾时水中气泡的上升情况不同，如图中a、b所示，则图中_______是水在沸腾时的情况． （2）如图所示是小新同学用温度计测热水温度的示意图．请你指出他在测量中的两处错误： ① __________________________________________； ② ___________________________________...
【多选题】Why do we not want to learn from the bad? ( 人善如何不被欺 )
A.
We are short-sighted that we despise the behaviors of the bad.
B.
We are stuck of only doing nice things.
C.
We don’t want to learn from them.
D.
We are short-sighted to have our own dream of building the great world.
【单选题】What we should seek to impart in our college, is not so much learning itself as the spirit of learning.
A.
We don’t expect our students to learn much.
B.
We try to impart more learning to our students.
C.
What we advocate first in our college is the spirit of learning rather than learning itself.
D.
We seek to separate the learning process from the spirit of learning.
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