loading西工大15春《大学英语4》在线作业 答案
一、单选题（共 30 道试题，共 100 分。）
1. either you or I ________able to design the machine. A. is
B. has been C. are to be D. am
正确答案：D
2. He has already made up his mind, it’s no use________him. A. try to persuade B. to try to persuade C. trying to persuade D. to try persuading 正确答案：C
3. Mary settled in Seattle, _____ she had obtained a master's degree in economics. A. since when B. by when C. since which D. by then 正确答案：B
4. The newspaper says that the weather is going to_________tomorrow. A. clear of B. clear out C. clear off D. clear up 正确答案：D
5. The speed of radio waves is equal to ________of light. A. those B. that C. the one D. the ones 正确答案：B
6. Do you remember ________me at a party last year? A. meet B. to meet C. meeting
D. met
正确答案：C