21春《听说（II）》北语网院作业3答案

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21春《听说（II）》作业3
1.[单选题] 第三次作业问题1<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838569946063429.mp3">" /></audio>

    A.Librarian and student.
    B.Customer and repairman.
    C.Boss and secretary.
    D.Operator and caller.
    答:——B——
2.[单选题] 第三次作业问题2<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838550486006909.mp3">" /></audio>
    A.Look for the key.
    B.Repair the car.
    C.Paint a shelf.
    D.Fix a shelf.
    答:——D——
3.[单选题] 第三次作业问题3<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838631818044748.mp3">" /></audio>
    A.To make the woman angry.
    B.David is the man&#39;s good friend.
    C.To please the man&#39;s mother.
    D.David is good at carrying on conversations.
    答:——C——
4.[单选题] 第三次作业问题4<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838721100078941.mp3">" /></audio>
    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.
    答:————
5.[单选题] 第三次作业问题5<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838673657025222.mp3">" /></audio>
    A.He doesn&#39;t like Japanese food.
    B.He doesn&#39;t want to eat out.
    C.He wants to eat somewhere else.
    D.He wants to pay.
    答:————
6.[单选题] 第三次作业问题6<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838881276068823.mp3">" /></audio>
    A.He didn&#39;t pass the physics exam.
    B.He didn&#39;t work as hard as he was supposed to .
    C.He did better in an earlier exam.
    D.He found something wrong with the exam.
    答:————
7.[单选题] 第三次作业问题7<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838970605063851.mp3">" /></audio>
    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.
    答:————
8.[单选题] 第三次作业问题8<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838926061073765.mp3">" /></audio>
    A.They don&#39;t know how to get to Mike&#39;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&#39;s birthday party.
    答:————
9.[单选题] 第三次作业问题9<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838449118050876.mp3">" /></audio>
    A.Three lessons.
    B.Five lessons.
    C.Twelve lessons.
    D.Fifteen lessons.
    答:————
10.[单选题] 第三次作业问题10<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838498008042332.mp3">" /></audio>
    A.Find a large room.
    B.Sell the old table.
    C.Rearrange some furniture.
    D.Buy two bookshelves.
    答:————
11.[单选题] 第三次作业问题11<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838470749073264.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838475568017070.mp3">" /></audio>
    A.Language courses.
    B.Courses in British history.
    C.Courses in sports.
    D.Teacher training courses.
    答:————
12.[单选题] 第三次作业问题12<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838947240065526.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838952822091506.mp3">" /></audio>
    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.
    答:————
13.[单选题] 第三次作业问题13<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838904527087455.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838910290043732.mp3">" /></audio>
    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.
    答:————
14.[单选题] 第三次作业问题14<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838793854012251.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838842278011457.mp3">" /></audio>
    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.
    答:————
15.[单选题] 第三次作业问题15<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838696074025875.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838703142091551.mp3">" /></audio>
    A.Discard his application form.
    B.Forbid him to borrow any items.
    C.Ask him to apply again.
    D. Cancel his video card.
    答:————
16.[单选题] 第三次作业问题16<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838411103011705.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838416360073007.mp3">" /></audio>
    A.One week.
    B.One month.
    C.Two weeks.
    D.Two months.
    答:————
17.[单选题] 第三次作业问题17<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838383641003798.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838389226038982.mp3">" /></audio>
    A.Gas.
    B.Vapor.
    C.Water.
    D.Chemicals.
    答:————
18.[单选题] 第三次作业问题18<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838652009043517.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838657235070036.mp3">" /></audio>
    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.
    答:————
19.[单选题] 第三次作业问题19<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838761682080602.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838767739066671.mp3">" /></audio>
    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.
    答:————
20.[单选题] 第三次作业问题20<audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838526134003709.mp3">" /></audio><audio class="edui-upload-video video-js vjs-default-skin audio-js" controls="" preload="none" width="420" height="280" src="http://otsstatic.chinaedu.net/ots/blcu/video/20191104/1572838531801098190.mp3">" /></audio>
    A.In the 1920&#39;s.
    B.In the 1930&#39;s.
    C.In the 1940&#39;s.
    D.In the 1950&#39;s.
    答:————