北京语言大学网院（答案）17春《大学英语》（二）作业_4
17春《大学英语》（二）作业_4答案
第1题（单选题）He\u0026nbsp;has\u0026nbsp;been\u0026nbsp;___\u0026nbsp;out\u0026nbsp;to\u0026nbsp;represent\u0026nbsp;our\u0026nbsp;district\u0026nbsp;to\u0026nbsp;attend\u0026nbsp;this\u0026nbsp;meeting.
A.chosen
B.worked
C.singled
D.pressed
第2题（单选题）It was essential that the application forms ___ back before the deadline.
A.must be sent
B.would be sent
C.be sent
D.were sent
第3题（单选题）By moving the radar beam around slowly in a circle, we can ___the surroundings.
A.explore
B.expose
C.erploit
D.expand<br/>
第4题（单选题）Praise gladdens ___.
A.the heart of the giver
B.the heart of the receiver
C.the heart of the investor
D.the hearts of both the giver and the receiver
第5题（单选题）The whole town___to welcome the Olympic heroes.
A.turned on
B.turned over
C.turned off
D.turned out<br/>
第6题（单选题）They tried to book the tickets 5 days earlier. They ___ them 10 days earlier.
A.would have booked
B.might have booked
C.should have booked
D.must have booked
第7题（单选题）Jim kept the dog ___ up.
A.chain
B.chaining
C.chained
D.to chain
第8题（单选题）Cubism, Abstractionism and Pop Art have all been ___in the post-realistic___.
A.eras…generation
B. epochs…era
C.periods…age
D.cycles…age
第9题（单选题）___ human behaviors may be caused by eating substances that upset the delicate chemical in the brain.
A.Deliberate
B.Consistent
C.Primitive
D.Abnormal
第10题（单选题）Can you tell me the difference ___ the two words?
A.from
B.in
C.among
D.between<br/>
第11题（单选题）The days of colonialism (殖民主义)are drawing ___.
A.on close
B.at a close
C.near close
D.to a close
第12题（单选题）The spectators ___in panic when the bull got loose.
A.escaped
B.fled
C.avoid
D.run<br/>
第13题（单选题）The Smiths ___ their breakfast when the morning post came.
A.had
B.has been having
C.are having
D.were having
第14题（单选题）Once environmental damage ___, it takes many years for the system to recover.
A.has done
B.is to do
C.does
D.is done<br/>
第15题（单选题）The collie is an___dog,easily to control sheep.
A.intellectual
B.intelligent
C.intellect
D.wise<br/>
第16题（单选题）It is well known that ___ tiger is in ___ danger of dying out.
A.the
B. a
C.the
D. a
第17题（单选题）Is oxygen the only gas ___ helps fire burn?\u003cbr/\u003e
A.that
B./
C.which
D.it<br/><br/>
第18题（单选题）Many lives have been saved by this famous___.
A.surgery
B.surgical
C.surgeon
D.dentist<br/>
第19题（单选题）Tom’s score on the test is the highest in the class; he ___ last night.
A.should study
B.should have studied
C.must have studied
D.must have to study<br/>
第20题（单选题）Waking up at dawn，she found ___.
A.herself still to sit at the desk
B.that she still sitting at desk
C.herself still sitting at the desk
D.herself was still sitting at the desk
第21题（单选题）___ a bad habit is formed，it will not be easy to get rid of it.
A.Since
B.Because
C.While
D.Once
第22题（单选题）The___plains stretch for hundreds of miles.
A.vast
B.huge
C.giant
D.enormous<br/>
第23题（单选题）People appreciate ___ with him because he has a good sense of humor.
A.to work
B.to have worked
C.working
D.having worked
第24题（单选题）The chair can also ___ a bed.
A.forms
B.works in
C.function as
D.behaved as
第25题（单选题）The prisoner has___his guilt.
A.adnutted
B.confessed
C.conceded
D.acknowledged<br/>
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