合成气压缩机润滑油压力低于0.084MPa报警，启动辅油泵，低于（）MPa叶主机跳车

It’s time to go home now. I’m in a bus on a rainy day. A woman with a dog gets on the bus. The woman is well dressed( 穿着华贵的 ). She is very fat. And her dog is fat, too, but it’s not clean.

I don’t want the dog to sit near me. But the woman says to the conductor, “Oh, I pay for my dog. Can he sit here like the other people?”

The conductor looks at the dog and says, “Yes, but like the other people he must not put his feet on the chair.”

小题1:It is a fine day.

小题2: I take a bus to school.

小题3:Both the woman and her dog are fat.

小题4:The dog is clean.

小题5: At last the dog sits on the chair.

下图是心脏灌流实验，下腔静脉已被结扎，将肺静脉留一条，其余的均结扎。据图回答下列问题。

(1)若将水从上腔静脉“A”灌入，水一定从“C”流出，“C”是____________。    

(2)若将水从肺静脉灌入，水一定从“B”流出，“B”是_______。    

(3)若将水从主动脉灌入，则水必从______流出。    

(4)述实验证明了血液通过心脏时流动方向的规律是：静脉→_____→_______→______。这是由于心脏内_______的作用。