加热炉开工前的炉内爆炸气体分析，必须在吹扫结束的（）进行炉膛内爆炸性气体分析。 ["10分钟内","20分钟内","25分钟内","30分钟内"]
细胞外液含量最高的阳离子是（） ["Na+<\/sub>","K+<\/sub>","Mg2+<\/sub>","Ca2+<\/sub>","Cl-<\/sub>"]
网络营销不等于电子商务。
叙述与眼部发生联系的经脉及其分布。
In 1891-1911(under the Liberal-Labor Party)and 1935-1947(under Labor) New Zealand won a world reputation of（） ["its social experimentation","its high standard of living","its economic achievements","its independent foreign policy"]
谈谈快剪和慢剪的实质区别是什么？
