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【单选题】
实验前后对照设计 ( )
A.
能准确的解释自变量与应变量之间的关系
B.
随机分组
C.
进行了实验前后测量
D.
只进行了实验后测量
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举一反三
【多选题】多天线技术中,主要的增益包括_
A.
集增益(divetiygain)
B.
列增益(arraygain)
C.
间复用增益(spatialmultiplexgain)
D.
码增益(codinggain))
【单选题】电路如图所示,电位器 R P 为 10kΩ ,若输入电压 u i =10V ,当电位器的移动点移至 B 点时,则输出电压 u O 为 ( ) 。
A.
0
B.
30
C.
-15
D.
2.5
【简答题】The Internet is a way of life for US college students, with research showing them to be one of the most connected groups. A recent study by Harris Interactive and 360 Youth found that 93 percent of Am...
【单选题】听力原文: Culture means the general way of life of a people. This simple definition implies that culture refers to the customs, traditions, social habits, values, beliefs, language, ways of thinking and d...
A.
Artistic and economic.
B.
Concrete and observable.
C.
Scientific and historical.
D.
Implicit and abstract.
【简答题】C In many countries, 1 is not unusual for families of different backgrounds to live together in the shared space. 2 , in the United States, this idea may still be considered odd. But this type of hous...
【单选题】Section B Directions: There are 2 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You shou...
A.
which encourages free trade at home and abroad
B.
where people’s chief concern is how to make money
C.
where all businesses are managed scientifically
D.
which normally works according to the federal budget
【单选题】This way of life in the city is very __________ to him, a boy from the country.
A.
away
B.
further
C.
alien
D.
aloof
【单选题】车右旋螺纹时,因受螺旋运动的影响,车刀左刃前角 ( ) 。
A.
减小
B.
增大
C.
为零
D.
不变
【简答题】This way of life is very _______ to him.
【单选题】Mother Teresa chose poverty as her way of life; this is illustrated by________
A.
the numerous illnesses she suffered
B.
her decision Io sell the car she received from Pope Paul VI
C.
her Indian citizenship
D.
the 550 centers her nuns run
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