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【单选题】
In a recent study on the connection between brain abnormalities and violent behavior, the researcher examined more than three hundred people who had engaged in unusually violent behavior. toward friends and family members. In most of the people studied, the researcher found clues of brain abnormalities, including evidence of past brain injury and physical abnormality. The researcher concluded that evidence of brain abnormalities could be used to predict violent behavior. Which of the following, if true, would most seriously weaken the researchers conclusion?A.
The incidence of brain abnormalities in the general population is as high as that in the group examined.
B.
The brain abnormalities discovered in those studied are of two distinct kinds.
C.
A wide variety of violent actions were exhibited by those studied.
D.
Those studied in the experiment acted violently toward strangers as well as toward people they knew.
E.
The study drew its subjects from a large geographical area.
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【简答题】简述电控柴油机燃油喷射系统的优点
【简答题】卧室、厨房、阳台门应考虑一人携带物品通行,卧室取()mm;厨房阳台可取()mm;卫生间()mm。
【单选题】住宅中卧室、厨房、阳台的门应考虑一人携带物品通行,其门宽一般取为( ) mm。
A.
1000、900、800
B.
900、800、700
C.
900、800、800
D.
900、700、800
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