问题补充：
The competition is fierce .No women or children are allowed to .
A. join
B. take part in
C. compete for
D. attend
答案：
A. join
(答案→)B. take part in
C. compete for
D. attend
解析：join表参加某个组织，成为该组织一员，如参军等， take part in参加各种活动、比赛等 compete for为。。而参加比赛 ,attend出席参加各种典礼、仪式等。本句意为：比赛十分激烈，不允许妇女、儿童参加。故选B
