(单选题)13: 第四次作业问题11 A: Synthetic fuel B: Solar energy C: Alcohol D: Electricity ...

(单选题)1: 第四次作业问题19 A: He wanted to follow the tradition of his country B: He believed that it symbolized an everlasting marriage C: It was thought a blood vessel in that finger led directly to the heart D: It was supposed that ...

(单选题)15: 第三次作业问题4 A: At a booking office. B: In a Hong Kong hotel. C: On a busy street. D: At an airport. ...

(单选题)9: 第三次作业问题9 A: The man is usually the last to hand in his test paper. B: The man has made a mess of his midterm exam. C: The man has not had study habits. D: The man is a diligent student. ...

(单选题)3: 第三次作业问题6 A: Help the woman move the items. B: Hurry to Mr.Johnson's office. C: Help move things to Mr.Johnson's office. D: Put off his appointment with Mr.Johnson. ...

(单选题)17: 第二次作业问题14 A: To withdraw his deposit. B: To cash a check. C: To rob the bank. D: To get his prize. ...

(单选题)11: 第二次作业问题11 A: They hire only retired workers. B: They each do jobs they are good at. C: They close the hotel during low seasons. D: They employ as few workers as possible. ...

(单选题)5: 第二次作业问题10 A: She's flying to Hong Kong. B: She's going to buy an air ticket. C: She's going to say good-bye to Bill. D: She's leaving for Hong Kong with Bill. ...

(单选题)13: 第一次作业问题8 A: He was seriously wounded in a mine explosion. B: He was slightly injured in a traffic accident. C: He was kept in hospital for a long time. D: He was fined for speeding. ...

(单选题)7: 第一次作业问题10（作业音频请到课程公告里下载） A: It's much more difficult than people think. B: It's believed to be the hardest optional course. C: It's too tough for some students. D: It's not as hard as expected. ...