對於專四的詞彙，想要攻克的最實用方法就是練習，在看懂單詞的基礎上，進行一些必要的專四詞彙練習。
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 improvingeducation.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 _____ whatshe was doing while her family were watching TV.(93.1)
【答案】B
continual adj.繼續不斷的;一再重複的
continual rain 不停的雨
【辨析】continual與continuous
continual一般指多次重複的動作：Please stop your continual questions.
continuous表示動作或物體繼續不停地或不間斷地進行下去：a continuous flow of traffic
【全真考題】Our journey was slow because the train stopped _____ at different villages.(99.1)
asingly ually
inuously inually
【答案】D
contrary adj.(在性質、傾向或方向等方面)相反的;好與人作對的
contrary beliefs 截然相反的信仰
He is an awkward，contrary child.他是個又麻煩又不聽話的孩子。
n.反面
【用法】contrary to 違反：be contrary to the law;on the contrary 與此相反：It doesn't seemugly to me;on the contrary，I think it's rather beautiful.
【全真考題】What you have done is _____ the doctor's orders.(90.1)
ched to onsible to
stant to rary to
【答案】D
contributev.捐款，捐助;有助於;投稿
We contributed clothing to the relief of the poor.我們捐贈衣物救濟貧民。
Hard work contributed to his success.努力工作使他成功。
He contributed poems to the magazine.他投詩稿給雜誌。
