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【单选题】
下列因素中，哪些因素能引起皮肤温度发生变化（）。A.
发汗
B.
环境温度
C.
皮肤血流量
D.
精神因素
E.
以上都选
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知识点：
皮皮学刷刷变学霸
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【简答题】白喉棒状杆菌致病的因素是A.内毒素 B.外毒素 C.两者均有 D.两者均无 破伤风梭菌致病的因素是A.内毒素 B.外毒素 C.两者均有 D.两者均无
【单选题】关于梅毒螺旋体的致病性与免疫性的叙述正确的是( )
A.
人不是梅毒的唯一传染源
B.
致病因素有内毒素和外毒素
C.
先天梅毒由母亲垂直传给胎儿
D.
后天梅毒的传播途径主要是接触
E.
机体抗梅毒螺旋体的免疫为传染性免疫
【单选题】Science is a dominant theme in our culture. Since it touches almost every facet of our life, educated people need at least some acquaintance with its structure and operation. They should also have an ...
A.
cultural groups that are formed by scientists
B.
people whose knowledge of science is very limited
C.
the scientific community
D.
people who make good contribution to science
【单选题】Science is a dominant theme in our culture. Since it touches almost every facet of our life, educated people need at least some acquaintance with its structure and operation. They should also have an ...
A.
cultural groups that are formed by scientists
B.
people whose knowledge of science is very limited
C.
the scientific community
D.
people who make good contribution to science
【单选题】Science is a dominant theme in our culture. Since it touches almost every facet of our life, educated people need at least some acquaintance with its structure and operation. They should also have an ...
A.
cultural groups that are formed by scientists
B.
people whose knowledge of science is very limited
C.
the scientific community
D.
people who make good contribution to science
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