4. what did the man do? a. he gave the woman the wrong information. b. he put the sugar in the black container. c. he added salt to his coffee. 5. how long is a day on mars? a. less than 24 hours. b. 24 hours and 37 minutes. c. 37 hours. 第二节（共15小题；每小题1分，满分15分）听第6段材料，回答第6至8题。 6. what do we know about the woman’s document? a. it’s about 30000 words long. b. it’s written in english. c. it’s a textbook. 7. which language is the most difficult according to the man? a. arabic. b. spanish. c. english. 8. what does the woman decide to d
