双电层内层吸附不能改变矿物的表面电性,只能改变电动电位的大小和符号。
查看答案
A shipmate suffers a heart attack and stops breathing. You must().
A. administer oxygen
B. immediately check his pulse and start CPR
C. make the victim comfortable in a bunk
D. immediately give a stimulant,by force if necesssary
最低工资具体标准由省、自治区、直辖市人大委员会制定,报全国人大备案。
A. 正确
B. 错误