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【单选题】
急性有机磷中毒的患者,医嘱给予阿托品静脉注射,在给药后患者最可能出现:A.
口干
B.
血压下降
C.
心率减慢
D.
出汗增加
E.
呼吸加快
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举一反三
【单选题】The viscosity regulator controls the _____ of the fuel oil in order to provide the oil at the correct viscosity for combustion.
A.
temperature
B.
pumping rate
C.
pressure
D.
heat
【单选题】What is the role of the statement 'Our careers provide the most concrete evidence that were moving forward.' with reference to the previous statement in the paragraph?
A.
To offer further explanation.
B.
To provide a definition.
C.
To present a contrast.
D.
To illustrate career development.
【单选题】Which of the following statements would provide the most of logical continuation of the final paragraph of the passage?
A.
Thus Wynne — Edwards' theory raises serious questions about the constancy of animal population in a region.
B.
Because Wynne- Edwards' theory is able to explain more kinds of animal behavior. than is the density-dependent theory, epideictic explanations of population regulation are now widely accepted.
C.
The results of one study, for instance, have suggested that group vocalizing is more often used to defend territory than to provide information about population density.
D.
Some of these studies have, in fact, worked out a systematic and complex code of social behavior. that can regulate population size.
E.
One study, for example, has demonstrated that birds are more likely to use winter-roosting aggregations than group vocalizing in order to provide information on population size.
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