东北大学20春学期《大学英语(一)》在线平时作业3

东北大学20春学期《大学英语（一）》在线平时作业3 试卷总分:100 得分:100

一、单选题 (共 30 道试题,共 60 分)

1.The police are still checking ______his family background A.in B.out C.up D.on

答案:B

2.--What's eleven and twenty? --It is _______. A.thirty-two B.thirty-one C.thirty two D.thirty one 答案:B

3.What _____ you from joining us last night? A.turned B.prohibited C.prevented D.avoided

答案:C

4.Did it snow _______ last night ? A.quick B.heavy C.heavily D.fast 答案:C

5.The bus driver is _____for the passengers’ safety. A.responsible B.responsibility C.conscious D.conscientious 答案:A

6.The factory has been ________ for two years. A.to open B.opening C.opened D.open 答案:D