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【单选题】
. 热继电器在电路中做电动机的什么保护A.
短路
B.
过载
C.
D.
过压
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参考解析：
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皮皮学刷刷变学霸
举一反三
【判断题】The diabetics should not take any drugs because they my lower the blood sugar level.
A.
正确
B.
错误
【单选题】Suppose you think animals should NOT be used for scientific testing. Which of the following evidence best supports your argument?
A.
Experiments in which dogs had their pancreases removed led directly to the discovery of insulin, critical to saving the lives of diabetics.
B.
According to Humane Society International, animals used in experiments are commonly subjected to force feeding, forced inhalation, food and water deprivation.
C.
Because animals and humans are so biologically similar, they are susceptible to many of the same conditions and illnesses, including heart disease, cancer, and diabetes.
D.
When testing medicines for potential toxicity, the lives of human volunteers should not be put in danger unnecessarily.
【简答题】宋代,( )一书是当时朝廷组织编辑的一部集“军事组织、制度、步骑、行军、战略、武器”军事地图为一体的兵书 。
【简答题】公路是一条带状的三维空间结构物,它的中线在水平面上的投影称为( )A. 公路路线平面
【单选题】We can infer from the passage that
A.
diabetics will feel less chest pain because their nerves are hurt by their heart attack.
B.
people are clear about why ladies and the elderly suffer less chest pain during a heart attack.
C.
many common signs should be taken seriously when suffering a heart attack.
D.
extreme shortness of breath is as good an indicator of a possible heart attack as chest pain.
【单选题】Suppose you think animals should NOT be used for scientific testing. Which of the following evidence best supports your argument?
A.
When testing medicines for potential toxicity, the lives of human volunteers should not be put in danger unnecessarily.
B.
Experiments in which dogs had their pancreases removed led directly to the discovery of insulin, critical to saving the lives of diabetics.
C.
According to Humane Society International, animals used in experiments are commonly subjected to force feeding, forced inhalation, food and water deprivation.
D.
Because animals and humans are so biologically similar, they are susceptible to many of the same conditions and illnesses, including heart disease, cancer, and diabetes.
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