—How do you go to school every day?

—I ____ , but I ____ by bike a year ago.

A．go to school by foot; went

B．would go to school on foot; liked to go

C．walk; used to go

D．will walk to go school; was used to going

在体温调节中起调定点作用的部位是

A．丘脑下部
B．脑干网状结构
C．大脑皮质
D．脊髓
E．视前区-下丘脑前部