(3)concerned adj. 有关的；担心的

　　be concerned with ... 与......有关，涉及......

　　be concerned about/for/that ... 关心......，担心/忧......

　　so/as far as ... be concerned 就......而言

　　(4)concerning(＝ about)prep. 关于

　　①My concern is that my spelling and accent will confuse them.

　　我担心我的拼写和口音将会使他们感到困惑。

　　②Some people don't show much concern for/about our environment.

　　有些人不太关心我们的环境。

　　③She concerned herself about/with her son's illness.

　　她担忧她儿子的病。

　　④People all over the world are_concerned_about/for nuclear pollution.

　　全世界的人都关心核污染。

　　⑤We read stories concerning (concern) visitors from outer space.

　　我们读了关于外来太空访客的故事。

　　3．(教材P29)At one time the department banned some'borrowed words' from English, including 'weekend' and 'e­mail'．

　　政府曾经禁用一些英语外来词，包括weekend和e­mail.

　　ban vt.&n．禁止；取缔

　　a ban on (doing) sth.　　　　 禁止(做)某事

　　ban sb.from doing sth. 禁止某人做某事

　　①Chemical weapons are banned internationally.

　　国际上禁止使用化学武器。

　　②There is a ban on smoking in petrol stations.

　　加油站禁止吸烟。

　　③Officials have been banned from drinking at lunchtime.

　　禁止政府官员中午喝酒。

　　[名师点津]　你还学过哪些意为"禁止/阻止某人做某事"的表达？

　　①forbid sb.to do sth.

　　②prevent/stop/keep sb.from doing sth.

4．(教材P29)Today, the spread of 'borrowed words' is mostly due to the easily