大学英语课件unit 4A.pptVIP

5. disposal 1) [U]the power or authority to use freely 支配权， 处置权 【例句】 During your visit, I will put my room at your disposal. 在你来访期间我会把我的房间给你用。 我要是帮得上忙，请尽管吩咐。 If I can be of service, I’m at your disposal. 2) [U] the act of getting rid of sth. 处理，消除 【例句】 Guangzhou will establish a wastewater disposal center within three years. 广州将在三年内建成一个废水处理中心。 6. persist v. 1) keep on doing sth. in spite of opposition or difficulty 坚持不懈，执意 【例句】 She persisted in watching TV at the dinner table. 她非要边吃晚餐边看电视不可。 她持之以恒地寻求真理。 She persisted in her search for the truth. 2) continue to exist 持续，继续存在 【例句】 The belief that the earth was flat persisted for many centuries. 认为地球是平面的观念延续了数个世纪。 1. Business dropped off sharply during the . A. concession B. backwardness C. recession D. profession 2. The author has a lot of his materials into 20 pages. A. condensed B. cut C. reduced D. lowered 3. The man lost in the desert was for water . A. desperate B. long C. hopeful D. look 4. I f you in studying English, you will make improvement sooner or later. A. persist B. continue C. go on D. hold 5. Public should be under the protection of the public. A. usage B. equipments C. items D. utilities 6. If you do not move ahead, you will behind. A. fell B. walk C. lag D. keep 7. the bad whether, we will go on with our project. A. In spite B. Despite C. Rather than D. Instead of 8. For the time being, they are with the old technology. A. evolved B. involved C. concerning D. stuck 9. This old