北交《大学英语（一）》在线作业一
一、单选题（共 25 道试题，共 100 分。）
1. I would have told him the answer had it been possible，but I_____ so busy then. A. had been B. were C. was
D. would be 正确答案：C
2. Without the _______ of TV, children might spend more time reading and writing. A. watching B. concentration C. show
D. distraction 正确答案：D
3. The whole town ________ to welcome the astronaut. A. turned out B. reached out C. brought about D. sprang up 正确答案：A
4. Not a __________ has been found so far that can help the police find the criminal. A. fact B. clue C. symbol D. sign
正确答案：B
5. Janet's _______ was becoming more than ever strange. A. conduction B. operation C. behavior D. display 正确答案：C
6. News about the impending Gulf War came pouring from a number of unnamed ______. A. origins B. sources C. ways
