劳动法律责任的多元综合性体现在()
A、责任形式的多元综合性
B、规则原则的多元综合性
C、责任所依存本体制度的多元综合性
D、则热主体多元综合性
参考答案:A, B, C, D
--- I promise to go shopping with you if you help me with the housework.
--- ______ You are the last person to keep a promise.
A.That's great!
B.How come?
C.I don't agree.
D.Come off it!
让实验动物小白鼠吸入混有18O2的空气,该小白鼠体内最先出现含18O的化合物是()
A.CO2
B.H2O
C.C2H5OH
D.C3H4O3