阅读下面的古诗,完成下列各题。
江上
[宋]董颖
万顷沧海万顷秋,镜天飞雪一双鸥。
摩挲数尺沙边柳,待汝成阴系钓舟。
(选自《宋诗鉴赏辞典》)
I'd like to go swimming _______ the water is too cold.
People, especially teens, think it great fun to surf on Internet.