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A:Three lessons.
B:Five lessons.
C:Twelve lessons.
D:Fifteen lessons.
第三次作业问题19
A:It takes a longer time to melt.
B:It is lighter to carry.
C:It is not so cold as ordinary ice.
D:It is cleaner to use than ordinary ice.
第三次作业问题14
A:Because it takes too long to process all the applications.
B:Because it is a library for special purposes.
C:Because its resources are limited.
D:Because there is a shortage of staff.
第三次作业问题15
A:Discard his application form.
B:Forbid him to borrow any items.
C:Ask him to apply again.
D:Cancel his video card.
第三次作业问题14
A:Because it takes too long to process all the applications.
B:Because it is a library for special purposes.
C:Because its resources are limited.
D:Because there is a shortage of staff.
第三次作业问题11
A:Language courses.
B:Courses in British history.
C:Courses in sports.
D:Teacher training courses.
第三次作业问题7
A:He is attending his sick mother at home.
B:He is on a European tour with his mother.
C:He is in Europe to see his mother.
D:He is at home on sick leave.
第三次作业问题4（作业音频请到课程公告里下载）
A:He must attend a class.
B:He must meet his teacher.
C:He must go out with his girlfriend.
D:He must stay at school to finish his homework.
第三次作业问题2
A:Look for the key.
B:Repair the car.
C:Paint a shelf.
D:Fix a shelf.
第三次作业问题10
A:Find a large room.
B:Sell the old table.
C:Rearrange some furniture.
D:Buy two bookshelves.
第三次作业问题5
A:He doesn't like Japanese food.
B:He doesn't want to eat out.
C:He wants to eat somewhere else.
D:He wants to pay.
第三次作业问题17
A:Gas.
B:Vapor.
C:Water.
D:Chemicals.
第三次作业问题3
A:To make the woman angry.
B:David is the man's good friend.
C:To please the man's mother.
D:David is good at carrying on conversations.
第三次作业问题12
A:To attract more students.
B:To make the summer school more like a holiday.
C:To let the students have a good rest.
D:To make the courses suitable for students of all levels.
第三次作业问题20
A:In the 1920's.
B:In the 1930's.
C:In the 1940's.
D:In the 1950's.
第三次作业问题18
A:By heating dry ice.
B:By turning ordinary ice into steam.
C:By passing steam over dry ice.
D:By mixing dry ice with ordinary ice.
第三次作业问题16
A:One week.
B:One month.
C:Two weeks.
D:Two months.
第三次作业问题13
A:Because they all work very hard.
B:Because their teachers are all native speakers of English.
C:Because they are all advanced students.
D:Because they learn not only in but also out of class.
第三次作业问题1
A:Librarian and student.
B:Customer and repairman.
C:Boss and secretary.
D:Operator and caller.
第三次作业问题8
A:They don't know how to get to Mike's home.
B:They went to the same party some time ago.
C:They are discussing when to meet again.
D:They will go to Mike's birthday party.
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发表于 2020-8-8 19:03:13
