benefit n.益處;優(yōu)越性;保險金，救濟金

　　I've had the benefit of a good education.我得益于良好的教育。/the benefits of science科學的優(yōu)良條件/ unemployment benefits失業(yè)保險

　　vi.得益

　　He hasn't benefited from the experience.他并沒有從他的經(jīng)驗中受益。

　　vt.使……受益

　　This policy benefits the whole city.這個政策使整個城市受益。

　　【用法】benefit 作不及物動詞時，其后常接介詞 from。

　　bore vt.使……感到厭煩

　　All his old stories bore me.他所有的老生常談使我厭煩。

　　n.令人厭煩的事物

　　Don't be such a bore.別這么討厭。

　　【用法】bore的兩種分詞形式boring 和 bored：boring 表示主動，指某事物令人厭煩;bored表示被動，指被某事物弄得厭煩。

　　He was bored with his job./It's a boring film.

　　類似的詞還有interesting與interested;exciting與 excited等。

　　C

　　concentrate v.全神貫注，精神集中，專心致志;集中，集合;濃縮

　　We should concentrate all our efforts on improving education.我們應該集中精力努力改進教育工作。

　　Troops are concentrating south of the river.軍隊正向河的南邊集結。

　　n.濃縮液

　　【用法】concentrate(sth.)on sth./doing sth.

　　【全真考題】Anne couldn't concentrate what she was doing while her family were watching TV.(93.1)

　　A.to B.on C.for D.in

　　【答案】B

　　continual adj.繼續(xù)不斷的;一再重復的

　　continual rain 不停的雨

　　【辨析】continual與continuous

　　continual一般指多次重復的動作：Please stop your continual questions.

　　continuous表示動作或物體繼續(xù)不停地或不間斷地進行下去：a continuous flow of traffic

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