北语19春《大学英语（一）》在线作业_1 2 3 4.doc

北语作业系统--19春《大学英语（一）》作业_2 一 单选题 1 William has cut his smoking _________to five cigarettes a day. A down A in A off A out 正确答案： 满分：4 2 The _____ power of the people in this town has been decreasing because most young people have left for the big cities. A shopping A enduring A purchasing A spending 正确答案： 满分：4 3 _____ the railway station, we had a break, only ______ the train had left. A Arriving at...to find A Coming to...discovering that A On arriving at...finding out A Hurrying to...to have found out 正确答案： 满分：4 4 After watching ___ TV, she played _____ violin for an hour. A /, / A the, the A the, / A /, the br/ 正确答案： 满分：4 5 Some diseases are ___ by certain water animals. A transplanted A transformed A transported A transmitted 正确答案： 满分：4 6 I slept through her_____speech. A interesting A odd A internal A dull 正确答案： 满分：4 7 If you decrease the_____of alcohol in this solution, it would be less dangerous. A part A portion A section A share 正确答案： 满分：4 8 Before the end of his lecture，the professor may also _____ time for the students to ask him questions. A lay aside A brush aside A set aside A put aside 正确答案： 满分：4 9 The forest fire caused by the volcano is difficult to be_____. A put off A put away A put out A put up 正确答案： 满分：4 10 In another year or so, you _____ all about it. A forget A would forget A have forgotten A will have forgotten 正确答案： 满分：4 11 The work in the office was_____by a constant stream of visitors. A confused A hampered A reversed A perplexed 正确答案： 满分：4 12 They decided to chase the cow away ____ it did more damage. A unless A until A before A although 正确答案： 满分：4 13 ____caused the accident is still a complete mystery. A What A That A How A Where 正确答案： 满分：4 14 I was so careless that I threw the_____letter into the mailbox. A unprepared A unsealed A unread A unpacked 正确答案： 满分：4 15 He scarcely knew a word of English,_____? A didn#39;t he A did he A doesn#39;t he A haven#39;t he 正确答案： 满分：4 16 So_______