《英语2》2至4次作业(7)

北京中医药大学远程教育

172.His chief difficulty ______ people ignorant of Jeans machinations [1分] B. lies in keeping 173.It was thought ______. [1分] B.of as impossible

174.The plan has ______ various problems. [1分] D.given rise to

175.It does help when a father does his ______ at home. [1分] C.duty

176.I remember ________ for the job, but I forgot the exact amount. [1分] B.being paid 177.He broke _____ to clear his throat and then went on with his speech. [1分] C. off

178.It was this spirit which ______ the darkest moments of the war. [1分] D.pulled them through 179.The drowning of Maurience had ______ last May. [1分] A. occurred

180.He is very ______ his children and permits them few privileges. [1分] C.hard on