塑料绝缘、橡皮绝缘多芯控制电缆的弯曲半径,不应小于其外径的( )倍。
A.5
B.15
C.10
D.12
参考答案:C
脊柱有5个移行带,包括下述哪些()
A.骶尾带
B.颈胸带
C.胸腰带
D.腰骶带
E.枕颈带
(2009湖南四校联考)I was fortunate enough to travel to South Africa, I met some women who have organized themselves into a group.
A.then
B.there
C.while
D.where