TM层负责();()和信元复用等三项。
参考答案:交换、选路由
Was it near the white building, if I may ask, ____ Martin Luther King gave the speech “I have a dream”?
A.where
B.that
C.in which
D.why
根据瑜伽的学说人体是由四大元素组成。即:气(心轮)、火(脐轮)、水(生殖轮)、土(海底轮)。