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【单选题】
有关hormesis的描述,以下正确的是A.
是指某些物质在低剂量时对生物系统具有抑制作用，在高剂量时具有刺激作用。
B.
是指某些物质在低剂量时对生物系统具有抑制作用，在高剂量时也具有抑制作用。
C.
是指某些物质在低剂量时对生物系统具有刺激作用，在高剂量时具有抑制作用。
D.
是指某些物质在低剂量时对生物系统具有刺激作用，在高剂量时也具有刺激作用。
E.
以上都不是
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】新中国成立以来我党在历史上具有深远意义的伟大转折是( )。
A.
党的十一届三中全会
B.
党的十一届六中全会
C.
党的第十三次全国代表大会
D.
党的第十四次全国代表大会
【单选题】关于PPD皮试,下列哪项错误:
A.
于前臂掌侧中下1/3交界处注射
B.
一般注射0.1ml 5个结核菌素单位
C.
皮丘直径必须＞6mm
D.
注射后48~72小时看结果
E.
测量局部红晕直径判断反应强度
【简答题】The man is reported to have said in private that "we are being made fools of by many of our c1．The man is reported to have said in private that "we are being made fools of by many of our s, so w...
【单选题】Many countries have sent up man－made communication satellites to _____ the earth, which is made
A.
67. Many countries have sent up man-made communication satellites to _____ the earth, which is made possible for each household to use TV. A．move
B.
round
C.
circle
D.
Go
【单选题】The old man had many predictions, and they always _____. How great ! [ ]
A.
happened
B.
made sure
C.
came true
D.
stayed
【简答题】The man is reported to have said in private that "we are being made fools of by many of our s, so we are entitled to have them bow to us as compensation."
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