题目内容
（请给出正确答案）
A．concerned
B．available
C．related
D．flexible
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（由简答题聘请的专业题库老师提供的解答）
更多“All the reference books should be made ______ to the teachers and students in our universi”相关的问题
A、rain
B、Spain
C、stays
D、mainly; plain
A.It’S so nice of you
B.That’s OK
C.N0，thanks
D.Certainly
Homing pigeons are placed in a training program from about the time they are twenty。Eight days of age．They are taught to enter the lon through a trap and to exercise above and around the loft．and graduaUy they are taken away for short distances in wicker baskets and released．They are then expected to find their way home in the shortest possible time． In their training flights or in actual races，the birds are taken to prearranged distant point sand released to find their way back to their own logs．Once the birds are liberated，their owners，who are standing by at the home lofts，anxiously watch the sky for the return of their entries．Since time is of the essence，the speed with which the birds can be induced to enter the loft trap may make the difference between gaining a win or a second place． The head of a homing pigeon is comparatively small，but its brain is one quarter large than that of the ordinary pigeon．The homing pigeon is very intelligent and will persevere to the point of stubbornness；some have been known to fly a hundred miles off course to avoid a storm． Some homing pigeon experts claim that this bird is gifted with a form. of built-in radar that helps it find its own loft ager hours of flight，for hidden under the head feathers are two very sensitive ears，while the sharp，prominent eyes can see great distances in daytime． Why do homing pigeons fly homeg They are not unique in this inherent skill；it is found in most migratory birds，in bees，ants，toads，and even turtles，which have been known to travel hundreds of miles to return to their homes．But in the animal world，the homing pigeon can be trusted with its freedom and trained to carry out the missions that people demand．
What is the purpose of the passage？
A.To convince the reader to buy a homing pigeon．
B.To inform. the reader about homing pigeons and their training
C.To protect homing pigeons against the threat of extinction（绝迹）．
D.To encourage the owners of homing pigeons to set the birds free．
根据以下内容回答题:Exchange a glance with someone，then look away．Do you realize that you have made a statement？Hold the glance for the second longer，and you have made a different statement.Hold it for three seconds，and the meaning has changed again．For every social situation，there is a Dennissible time that you can hold a person’s gaze without being intimate，rude or aggre- ssive．If you are on an elevator，what gaze．time are you permitted？To answer this question，consider what you typically d0．You are likely to give other passengers a quick glance to size them up and to assure them that you mean flo threat． Since being close to another person signals the possibility of interaction，you need to give a signal telling others you want to be left alone．So you cut off eye contact，what sociologist Erv-ing Goffrnan calls“a dimming of the lights”you look down at the floor，at the indicator lights，anywhere but into another passenger"s eyes．Should you break the rule against staring at a stran-ger on an elevator，you will make the other person exceedingly uncomfortable，and you are likely to feel a bit strange yourself． If you hold eye contact for more than three seconds，what are you telling another person？Much depends on the person and situation，For instance，a man and woman communicate interest in this matter．They typieally gaze at each other for about three seconds at a time，then drop their eyes down for three seconds，before letting their eyes meet again．But-if one man gives another man a 3-second—plus stare，he signals“I know you，I am interested in you，”or“you look peculiar and I am CUriOUS about you．”This type of state ohen produces hostile feel—ings．
It can be inferred from the first paragraph that__________ ．
A.every glance has its significance
B.staring at a person is an expression of interest
C.a gaze longer than three seconds is unacceptable
D.a glance conveys more meaning than words
A.set up
B.set out
C.set down
D.put up
A.similar
B.equal
C.compared
D.corresponding
A.to stop
B.stopping
C.stop
D.having stopped
A.would not die
B.might not die
C.would not have died
D.will not have died
A.lend…to…borrow…from
B.lend…to…borrow…of
C.borrow…to…lend…from
D.lend…for…borrow…of
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