零维模型
参考答案：
视油藏为一个岩石和流动性质均匀的储容器，研究这一储容器物质守恒关系的模型，即物质守恒（方程）模型。
从方框中选出适当的句子，完成对话，有两项为多余选项。
A：Hi, Lucy. 小题1:
B：I had a bad morning.
A：Really? 小题2:
B：Well, first of all I overslept. By the time I got up, my brother had already gotten in the shower.
A：小题3:
B：So, after he got out of the shower, I took a quick shower and got dressed. 小题4:
A：Oh, no!
B：Oh, yes! 小题5: But when I got to school, I realized I had left my backpack at home.
A：No wonder you look stressed out.
静脉注射剂浓度低于（）氯化钠溶液时，将有溶血现象产生
A.0.1%
B.0.2%
C.0.45%
D.0.9%
E.5%
