反馈信息与调节信息的作用相反时称为()
A.反应
B.反射
C.反馈
D.正反馈
E.负反馈
参考答案:E
I think Class One ________to win because Class One ______ all football lovers. [ ]
A. is likely; are
B. are likely; are
C. is likely; is
D. are likely; is
由于跌打损伤伤及血脉所致的伤血,一般可分为()
A.瘀血
B.出血
C.血虚
D.血热
E.亡血