7 in need (of) 需要，缺少
(回归课本P34)When people are in need of information，from current affairs and weather forecasts to travel packages and academic research，the Internet is now the first place that many people turn to.
从时事新闻，天气预报，到包价旅游，学术研究，当人们需求信息时，因特网已是人的首选。
(1)in need/want of需要…… There is no need(for sb.)to do sth.(某人)没必要做某事
There is a great need for sth.非常需要某物 need sth.badly非常需要某物
(2)由in＋n.＋of构成的短语有：in honour of为了纪念 in place of代替,
