151. Nuisance – problem/ trouble/headache

　　152. Observe / spot --- see / watch / look

　　153. Obtain – find out/ get/ gain

　　154. obligation –duty

　　155. Occupy---take up

　　156. Occur – happen

　　157. odds – problem

　　158. painstaking – effort

　　159. Prefer to do sth/ prefer sth to sth ------ like doing sth better / like sth better

　　160. preserve – keep

　　161. Perhaps there is an element of truth in ------ perhaps they are all right in a way—

　　162. Place a high value --- praise/speak-- highly

　　163. poverty-stricken area– poor area

　　164. predicament – hardship

　　165. Promptly --- in time

　　166. prominent (men)--- important (men)

　　167. pursue – seek

　　168. Reluctantly --- be unwilling to do / unwillingly

　　169. Refer to sb as sth ---- call sb sth

　　170. Remind sb of ---- make sb remember sth

　　171. renowned – famous

　　172. reckless move – move on an impulse

　　173. resort to doing – adopt/take 采取

　　174. ringleader – main course

　　175. ruin – damage

如有相关问题，可拨打免费咨询热线：010-58443520 或

考试培训小助手

本科留学qq:436560382

研究生留学qq:437946603