[归纳拓展]
(1)concentrate v.集中(注意力);聚精会神;使......集中(或集聚)
concentrate sth on sth/doing sth集中......做某事
concentrate on...把注意力集中于......
(2)concentration n.专心,专注,集中
[即时跟踪]
(1)单句语法填空
①I can't concentrate on my work when I'm hungry.
②Stress and tiredness often result in a lack of concentration(concentrate).
(2)单句改错
With his efforts on his study,he made great progress in a short time.
2.arise
[语境感悟]
(1)(教材P53)From a region of seven million people has arisen some of the greatest pop music in the world.在一个有700万人口的地区兴起了一种最伟大的流行音乐。
(2)Many traffic accidents arise__from carelessness.
很多交通事故是由粗心引起的。
(3)Great events arise__out__of small beginnings.
大事都是由小事开始。
[归纳拓展]
arise vi.(arose,arisen)(问题等)出现,呈现
arise from由......引起/产生
arise out of由......引起/产生
[易混辨析] arise/rise/raise
(1)arise含义比rise窄,常用于庄严的场合或诗歌之中,表示"起身"时,比rise或get up正式;也常作"(由......)引起/产生",为不及物动词,此时后常接from或out of。