间接固位体安放的位置与哪条线有关（）
A.支点线
B.观测线
C.导线
D.外形高点线
E.以上均无关
参考答案：A
Those successful deaf dancers think that dancing is an activity sight matters more than hearing.
A．when
B．whose
C．which
D．where
中国近代史的开端是______________；中国新民主主义革命开始的标志是___________________。
