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举一反三
【单选题】下列不属于人的不安全行为的表现的是?
A.
不戴安全帽进入化工生产厂区
B.
巡检时候累了，坐在压力管道上休息一会
C.
车间地面上有个盖板没有盖上
D.
电器总是过载跳闸，采用铜线代替保险丝。
【单选题】属于人格测验方法是()
A.
明尼苏达多项人格测验、艾森克人格问卷、16PF
B.
艾森克人格问卷、16PF、SAS
C.
神经心理筛选测验、成套神经心理测验
D.
16PF、神经心理筛选测验、成套神经心理测验
E.
SCL-90、SDS、SAS
【单选题】Animal studies are under way, human trial protocols are taking shape and drug makers are on alert. All the international health community needs now is a human vaccine for the bird flu pandemic sweepin...
A.
it has strong side effect to the elderly.
B.
it may turn ineffective in a short period.
C.
it is useless in preventing the virus.
D.
it hasn’t been tested in humans.