1997年,在一级学科体育学下设四个2级学科,分别是:()。
参考答案:体育人文社会学、运动人体科学、体育教育训练学、民族传统体育学
-I've studied growing plants as one of my interests. Could I make some suggestions?
- . [ ]
A. You will make it
B. Go right ahead
C. Don't mention it
D. Take it easy
公路隧道工程在什么情况下不宜采用喷锚支护?