体育服务商品的需求规律表现为：需求量随价格上升而（）
A、上升
B、下降
C、先下降后上升
D、先上升后下降
参考答案：B
--- Did you enjoy yourself at the party? --- Sorry to say I didn't. It was _____ a meeting than a party.
A．more of
B．more or less
C．less of
D．rather like
最早期的声门癌的症状是（）
A.呼吸困难
B.吞咽困难
C.声音嘶哑
D.咽喉疼痛
E.颈淋巴结转移
