182. The magician picked several persons from the audience and asked them to help him with the performance.

　A. by accident B. on occasion C. at random D. on an average

181. He has left his book here on _____, so that you can read it.

　A. purpose B. intention C. aim D. meaning

180. I remember her face but I cannot _____ where I met her.

　A. recall B. remind C. remember D. remark

179. The climbers _____ their ambition by reaching the summit of the mountain.

　A. obtained B. sustained C. maintained D. realized

178. It has always been the _____ of our firm to encourage workers to take part in social activities.

　A. plan B. campaign C. procedure D. policy

177. The most important _____ of his speech was that we should all work whole-heartedly for the people.

　A. element B. spot C. sense D. point

176. When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.

　A. opportunity B. possibility C. occasion D. chance

175. The managing director promised that he would _____ me as soon as he had any further information.

　A. communicate B. notice C. notify D. note

174. These plastic flowers look so _____ that many people think they are real.

　A. beautiful B. natural C. artificial D. similar

173. When the big bills for mother's hospital care came, father was glad he had money in the bank to _____.

　A. fall short of B. fall through C. fall back on D. fall in with