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【多选题】
狗、猫繁殖中常用的繁殖方式有:( )
A.
近亲繁殖
B.
血系繁殖
C.
远缘繁殖
D.
无性繁殖
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举一反三
【单选题】下列器件中,不属于全控型器件的是()
A.
晶闸管
B.
电力 MOSFET
C.
IGBT
D.
大功率 晶体管 GTR
【多选题】小剂量阿司匹林可用于治疗
A.
预防脑血栓形成
B.
风湿性关节炎
C.
手术后的血栓形成
D.
预防心肌梗死
E.
肺栓塞
【单选题】By saying 'No doubt, we are all racist' (in boldface in Paragraph 3) the author admits that ______.
A.
we are all warlike by nature
B.
we all discriminate against other peoples
C.
we are all proud of our own race and nation
D.
we all focus on the difference between races
【单选题】With your help, there is no doubt ______ our plan is meant for will work out successfully. [     ]
A.
that what
B.
whether that
C.
what that
D.
that which
【单选题】口服抗凝药物可以预防血栓的形成,但必须进行监测。不需要监测的药物是
A.
肝素钠
B.
小剂量阿司匹林
C.
华法林
D.
尿激酶
E.
以上药物均需监测
【单选题】下列两种电力电子器件中均属于全控型器件的是
A.
GTR 和 SCR
B.
GTO 和 GTR
C.
GTO 和 SCR
D.
GTR 和电力二极管
【简答题】小剂量阿司匹林可有效预防冠心病和心肌梗死,因为该药具有抗_______________和防止___________形成的作用。
【单选题】A(n、________ is the basic unit containing the elements of the population to be sampled.
A.
hypothesis
B.
theory
C.
sampling unit
D.
coefficient alpha
E.
household
【单选题】How Personalities and Behaviors are Formed? 1. People have wondered for a long time how their personalities and .behaviors are formeD.It is not easy to explain why one person is intelligent and anothe...
A.
Environment is important
B.
Two approaches are different from each other
C.
How personalities and behaviors are formed
D.
Our personalities and behavior. patterns are largely determined by biological factors
E.
We want to explain the behaviors
F.
The 'nature' theory is better than the 'nurture' theory
【单选题】下列器件中,不属于全控型器件的是()
A.
晶闸管
B.
GTO
C.
GTR
D.
MOSFET
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