中 * * 党的最大政治优势是( )
A.以马克思主义为指导 B.讲大局、讲团结、讲稳定C.密切联系群众 D.从严治党
参考答案:C
Severe exposure to chlorine gas can be fatal. Chlorine gas is primarily a().
A.respiratory irritant
B.skin burning agent
C.blood poisoning agent
D.nerve paralyzing irritant
生物碱