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【单选题】
当系统的特征根为不相等的负实数时,系统的阻尼比为( )。A.
ζ
B.
ζ = 0
C.
0
D.
ζ > 1
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【单选题】The general ordered the soldiers _____ to the back door quickly.
A.
run
B.
running
C.
to run
D.
ran
【单选题】The general ordered that the thief＿＿＿＿.
A.
be punished
B.
would punish
C.
would be punished
D.
should punish
【单选题】晕轮效应：又称成见效应，根据某人表现出来的特点．观察者对该人做出一种偏见性的(积极或消极的)估价，并把这种估价扩展到其他方面去。· 下列各项中属于晕轮效应的是：
A.
班主任杨老师很讨厌衣冠不整、蓬头垢面的男学生，因为她总觉得这样的学生智力有问题
B.
小杨家买了台海尔冰箱，感觉特别好，之后只要家里买电器，比如洗衣机、空调等，就都买海尔牌
C.
前苏联心理学家对72人做过一项调查．有9个人认为宽大的前额是憨厚老实的标志
D.
临出门时，妈妈告诫晓敏要注意公交车上的扒手，让晓敏觉得公交车上每个人都像扒手，因此把自己的包抱得紧紧的
【单选题】The general ordered that his forces be deployed immediately.
A.
moved
B.
gathered
C.
employed
D.
spread out
【简答题】Mr. Ma, a famous mental doctor from Beijing once said at an important meeting, “Now many young students can have many problems with their minds. Some students become worried because they have to study...
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