鸡尾酒除了按基酒品种来分以外，还有（）、长饮料和彩虹鸡尾酒等。A、开胃混合酒B、威士

下列属于有机物的是（　　）

A．H₂O

B．CO₂

C．CH₄

D．CaCO₃

根据首字母提示完成下列单词。

1.M_______ is very important to us, but it's not everything.

2.1 work in a hospital but I'm not a doctor. I only help them. I am a n________．

3. Please keep away from the tigers. They are very d________．

4.1 work with money. I am a bank c________.

5. The students have to wear school u________ at school.

()业态识别的结果，是将具体的零售经营者的业态对应到《零售业态分类》中的确定类别。

感觉阈限

再流焊的温度为（）。

A、180℃

B、280℃

C、230℃

D、400℃