W: Next patient, please?     

M: Morning doctor．

W: It's Mr．Gerald, isn't it?

M: That's right．         

W: 小题1:___________

M: Yes, it is．             

W: Right, 小题2:_______________

M: Well, I've had this awful flu and a terrible cough．

W: I see．How long have you been feeling like this?

M: Oh, 小题3:_______________

W: Have you had a temperature?

M: 小题4:__________________

W: OK．I'll just take a look at your chest．Now breathe in．．．and out slowly．And again．Good

That's it                      

M: Thank you．           

W: Well, I'll give you some cough mixture．小题5:_________________

M: OK．Doctor．

A．How are you?

B．Is that G-E-R-A-L-D?

C．It's normal．

D．now what seems to be the trouble?F．about three or four days, I suppose．

G．No, I don't hope so．

冷却设备在承受大而多变的热负荷冲击下容易产生循环脉动，甚至可能出现（），致使冷却设备过热而烧坏。

A、沸腾

B、泡状沸腾

C、膜状沸腾

D、汽水沸腾