2003年国际乒联宣布将单项、团体分开。单数年举行（）比赛，双数年举行（）比赛。
参考答案：单项比赛、团体比赛
Everyone was ______ when they heard the _______news.
A．exciting; exciting
B．exciting; excited
C．excited; exciting
D．excited; excited
什么情况下不得解除半自动闭塞？
