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【多选题】
汽车电源系统的常见故障主要有( )故障。A.
不发电
B.
电源电流过小
C.
电源电流过大
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举一反三
【多选题】Which of the following statements about nonmaleficence are right?
A.
The principle of nonmaleficence involves not only the duty of care to avoid actual harm but also the risk of harm.
B.
Nonmaleficence implies restraint from doing harm, or prevention or prohibition of some action, which would cause harm.
C.
Sometimes health professionals consider it difficult to separate beneficence & nonmaleficence, or that they are the same. However, it needs to be remembered that beneficence is actively doing good, whereas nonmaleficence means active prevention of harm.
D.
The principle of nonmaleficence means 'above all, do not harm'.
【简答题】标出花结构中的名称，并回答下列问题。 ①______通常为绿色，在花开放前对花芽起保护作用。 ②______着生在花萼内，通常具有艳丽的色彩，以招引昆虫等协助传送花粉。 ③______和______是花的非生殖部分。______和______是花中真正有生殖功能的部分，着生在花托上。 ④雄蕊可分化为______和______两部分。______是产生花粉的结构。花粉借助于风或昆虫到达______，...
【多选题】In the canonical equations of the force method,there are many coefficents. About【图片】 which statement is correct?
A.
It means the force in the ith released redundant restraint in the original structure.
B.
It means the displacement in the ith released redundant restraint in the primary structure.
C.
It could be any value(>0 or <0 or=0), if i≠j.
D.
It should be more than 0, if i=j.
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