大学英语精读第三版第二册课后答案

大学英语精读第二册（第三版）book2Unit1答案上海外语教育出版社
一）
1. bare
2. empty
3. empty
4. bare
5. empty
6.empty
二）
1. shortly
2.track down
3.faint
4.motioned
5.at the sight of
6.feel like
7.slamming
8.rang out
9.contract
10.made for
11.heated
12.emerged
三）
1. host
2. sprang up/rang out
3. impulse
4. came to
5. track down
6. unexpected
7. outgrow
8. widened
9. shortly
10. emerge / spring up
11. at the sight of
12. made for
13. crisis
14. colonial
四）
1. Jimmy has outgrown the shirts his aunt made for him a few years ago.
2. Does the doctor think the elderly lady is likely to survive the operation / it is likely that the elderly lady will survive the operation?
3. The other day your cousin paid us an unexpected visit.
4. Don't you see the nurse motioning us to be silent?
5. Her face lit up with joy at his return.
6. The sound of her footsteps grew fainter as she walked farther away.
五）
1.
Additional advantageous
Anxious conditional
Courageous curious
Dangerous educational
Emotional famous
Industrial intentional
Medical mountionous
Musical mysterious
National occasional
Personal practical
2.
Heated colored
pigtailed gifted
bearded pointed
experienced aged
skilled diseased
六）
1.The people questioned gave very different opinions on the issue.
2. Can you see the man climbing on that rock?
3. Several days passed before they came up with a satisfactory solution to the problems discussed.
4. We were woken early by the sound of the birds singing.
5. The chairman made it clear that those objecting should explain their reasons.
6. After a day’s work, I felt I had little energy left.
7. I knew of some of the athletes taking part.
8. The success obtained surprised those who had given up the project as impossible.
七）
1. During the time that
2. As long as
3. Although
4. as long as
5. whereas
6. Although
7. whereas
8. Although
1. They frightened the child into telling the truth.
2. He tricked her into marrying him by pretending that he was the son of a millionaire.
3. My tactless words forced the old gentleman into buying something he could not possibly afford.
4. He finally talked me into accepting his terms.
5. The girl persuaded her father into giving up smoking.
6. Their severe criticism shocked her into realizing her selfishness.
1. Guests are to be back in the hotel by twelve o’clock.
2. An investigation is to be made next week.
3. I am to meet them at the airport.
4. You are to finish your homework before you watch TV.
5. The medicine is to be taken three times a day after meals.
6. Bob and Susan are to get married in October
八）
1.hosts
2.heated
3.argument
4.impluse
5.shortly
6.emerged
7.slam
8.crawled
9.crisis
1.corner
2.attention
3.noticed
4.shining
5.directed
6.there
7.bed
8.snake
9.its
10.feet
11.from
12.however
13.do
14.as
15.forward
16.neither
17.still
18.if
19.through
20.floor
21.pulling
22.under
23.cried
24.out
25.to
26.where
27.made
28.eyes
九）
1.do the cooking 3.hardly thought so
3.settled down
4.half expected
5.equipment
6.boiled over
7.why things were so quiet
8.burning
9.greeted
10.battlefield
十）
1.她砰地关上门，一声不吭地走了，他们之间那场争执就此结束。

Their argument ended when she slammed the door and left without a word.
2. 出席晚宴的客人对那个美国人威严的语气感到有点意外。

The guests at the dinner party were slightly surprised at the commanding tone of the American.
3. 约翰尼已长大成熟，不再害怕独自呆在家里了。

Johnny has outgrown the fear of staying at home alone. 4. 当全部乘客都向出口处(exit) 走去时，他却独自留在座位上，好像不愿意离开这架飞机似的。

While all the other passengers made for the exit, he alone remained in his seat as if unwilling to leave the plane.
5. 这封信必须交给威尔逊博士本人。

The letter is to be handed to Dr. Wilson himself.
6. 南希虽然很想参加辩论，但腼腆得不敢开口。

While she felt like joining in the argument, Nancy was too shy to open her mouth.
7. 你觉得什么时候最有可能在家里找到他？
What do you think is the likeliest time to find him at home?
8. 猎人一看见有只狐狸从树丛中出现并向他设下(lay) 的陷阱(trap) 方向跑去，脸上顿时闪出了兴奋的表情。

The hunter’s face lit up with excitement as soon as he saw a fox emerge from among the bushes and run in the direction of / make for the trap he had laid.
大学英语精读第二册（第三版）book2Unit2答案上海外语教育出版社
1)Besides Except Besides
2)Have received Accepted Received Accept
3)Discovered Was invented Discovered Invented
1) alike
2) asleep
3) alive
4) awake
5) alone
6) astir
1) conflict with
2) superior to
3) resented
4) left behind/left (my car keys) behind
5) error
6) rejected
7) created
8) obtained
9) above all
10) perpetual
1)origin
2)threatening
3)in existence
4)hesitates
5)owes to
6) Acting on
7) leaving to
8) went out of her way
9) has been appointed
10) judgments
11) influence
12) humble
1) Many authors use a false name when they publish their books.
2) The origin of human life on earth is now believed to have been in Africa.
3) The book was translated from Chinese into English under the personal supervision of the author.
4) In spite of the personal participation of the President, the conference failed to produce agreement.
5) Many Americans prefer to travel by car over any other means of transportation.
6) Watches made in your factory are far superior in quality to those turned out in theirs.
1) a wait-and-see attitude
2) a life-and-death struggle
3) a down-to-earth spirit
4) an out-and-out lie
5) an out-of-the-way mountain village
6) a face-to-face talk
7) a divide-and-rule policy
8) up-to-date machines
9) word-for-word translation
10) a never-to-be-forgotten night
1) self-conscious
2) self-sufficient
3) self-educated
4) self-respecting
5) self-supporting
6) self-made
1) frightened
2) be heightened
3) strengthen
4) lengthening/
5) to be lengthened
6) hastened heartened
1) In his youth
2) A 17-year-old youth
3) The youth of our country have
4) Some youths
5) Youth is
6) The youth of the 21st century have
1) Although advanced in years, Thomas Edison remained as active and creative as many young people.
2) While still at college, Miss Leacock had her first novel published.
3) A tiger cannot be tamed unless caught very young.
4) The old lady carrying a basketful of eggs was run down by a taxi when crossing the street.
5) I am sure Mr. White's latest play, once staged, will prove to be a great success.
6) Ben is fully aware that if not properly managed, his shirt factory will have to close down in less than a year.
1) Paul could not dance, nor could he sing.
2) I was not satisfied with her explanation, nor were my classmates.
3) My brother Joe never learned to swim, nor does he intend to start now.
4) They didn't invite me, nor did they invite my parents.
5) Cathy had hardly said a word since supper, nor had her
husband.
6) Mr. Owen didn't know then what had happened, nor did he ever find out.
1) It was Jefferson who wrote the Declaration of Independence.
2) It is with genuine feeling that the author praises all that is progressive.
3) It was on the beach that Miss White found the child lying dead.
4) It was because the water had risen that we could not cross the river.
5) It was Jim, a heartless fellow, who was heard shouting at his mother in the dead of night.
6) It was not until I told her that Mrs. Williams knew anything about it.
1) Paul considered himself fortunate to have been admitted to Harvard University.
2) Don't you think it good for us to remember Jefferson's emphasis upon knowledge as a basis for action?
3) Today people find it impossible for one person to learn
what needs to be known about all subjects.
4) His duty fulfilled, Henry felt a great weight taken off his mind.
5) Alice considered herself lucky that she was not injured in the accident.
6) The Chinese working class made its strength felt by playing the main role in the May 4th Movement.
1) action
2) obtain
3) humble
4) origins
5) go out of one's way
6) conflict
7) acted on
8) owe much to
9) left behind
1) before
2) aged
3) following
4) Now
6) for
7) that
8) as
9) in
10) that
11) might
12) life
13) away
14) saved
15) was
16) given
17) does
18) the
19) done
20) more
21) in
22) and
1) guided
2) In fact
3) a second term
5) independence
6) served as
7) Constitution
8) honored
9) The nation's capital
10) celebrated
翻译
1) 会上有人建议任命一个十一人委员会来制定新章程。

It was suggested at the meeting that a committee of eleven be appointed to make a new constitution.
2) 这些青年科学家通过现场观察，获得了研究工作所需的第一手资料。

By making on-the-spot observations, the young scientists obtained first-hand information they needed in their research work.
3) 他很可能会因视力不好而被拒收入伍。

It is very likely that he will be rejected by the army because of his bad eyesight.
4) 委员会成员在新机场最佳选址(location) 这一问题上持有不同意见。

The committee members have conflicting opinions as to the
best location of the new airport.
5) 亨利创作的艺术品在许多方面比他兄弟的要好。

Henry's works of art are superior in many respects to those of his brother's.
6) 我们产品质量的稳步提高在很大程度上是由于设备有所改进。

The steady rise in the quality of our products owes much to the improvement of our equipment.
7) 吉姆本想按照自己的判断行事，但他没有这样做，因为作为军人他得服从命令。

Jim would have preferred to act on his own judgment, but he didn't because as a soldier he had to obey the order. 8) 如果让我来决定我们是要一个没有自行车的城市呢，还是要一个没有汽车的城市，我会毫不犹豫地选择后者。

Were it left to me to decide whether we should have a city without bikes or one without cars, I should not hesitate a moment to prefer the latter.
大学英语精读第二册（第三版）Book2Unit3答案上海外语教育出版社董亚芬主编
1)were short of
2)attached any importance to
3)have applied for
4)consists of
5)vital
6)range
7)Judging by
8)leisure
9)awkward
10)ultimate
11)constitute
12)slim
1) salary
2) prospect
3) in turn
4) smelled of
5) depressed
6) suburb
7) stale
8) protested
9) incompetent
10) interview
11) Having little in common
12) disapproval
13) advertise
14) plus
1) A résumégenerally consists of personal information, work experience and educational background.
2) In today's job market, importance is attached to practical experience as well as formal education.
3) The pay for this type of work ranges from ten to fifteen dollars per hour.
4) The thought of having to take the exam again depressed me./ I was depressed at the thought of having to take the exam again.
5) Tony and his brother have little in common except that they share the same interest in cricket./ Tony and his brother have little in common except their shared interest in cricket.
6) England, Wales, Scotland and Northern Ireland constitute the United Kingdom.
1) unlock
2) unpacked
3) undo
4) unfolded
5) unsay
6) undressed
1) a blue-eyed girl
2) a kind-hearted woman
3) a simple-minded young man
4) a double-faced guy/a double-faced fellow
5) a long-haired rabbit
6) a white-haired girl
7) a left-handed person
8) a red-tailed bird
9) a narrow-minded man
10) a short-sighted woman
1) smells lovely/smells sweet
2) could smell cigarettes
3) Smell the milk
4) smells stale
5) smells of wine
6) can smell something burning
7) was smelling a ball of wool
8) smell of fish/smelt of fish/smelled of fish
1) surprising/surprise
2) surprised
3) excited interested
4) frightened
5) bored closing
6) closed
7) frightening
8) winning
9) amusing thinking
10) lost
1) The rumour proved (to be) true.
2) The experiment proved (to be) a success in the end.
3) The student proved (to be) much brighter than he had first appeared.
4) His experiences on the farm proved (to be) a turning point in his writing career.
1) I could say "Thank you"
2) I had time to look over my answers
3) most of the students understood the first problem
4) I could stop him
1) the letter must have been written by a small child
2) they are probably Japanese
3) he might have failed in his English exam
4) the performance must be a great success
1) advertised
2) local
3) slim
4) apply
5) disapproval
6) consisted of
7) attached importance
8) Obviously
9) in common
10) salary
11) prospect
1) Out
2) apply
4) know
5) preferred/chose/select
6) single
7) a
8) at
9) behind
10) careful
11) to
12) considerate/thoughtful
13) when
14) questions
15) polite
16) rest/others
17) floor
18) placed
19) turn
20) When
21) noticed
22) brushed
23) nails
24) excellent
1) hiring
2) link
3) college graduate
4) somewhere
5) find out
6) checked with his university
7) he'd be right for the job
8) eagerness
9) left me with only one other question
10) call on
翻译
1. She got a post as a cashier at a local bank. But she was soon fired because she proved to be incompetent.
她在当地一家银行找到一份出纳员的工作，但不久因不称职而被解雇了。

2. It is obviously/clearly his young assistant who is running the book store.
很明显是他的年轻助手在经营这家书店。

3. No sooner had the proposal been announced at the
meeting than she got to her feet to protest.
这项建议在会上一宣布，她就站起来提出异议。

4. Bill has applied to Harvard University for a teaching assistantship, but his chances of getting it are slim.
比尔已向哈佛大学申请助教职位，但他得到它的可能性很小。

5. Being short of funds, they are trying to attract foreign capital.
由于缺乏资金，他们正在想办法吸引外资。

6. The room smells of stale air. It must have been vacant for
a long time.
这个房间有股霉味，一定是好久没人住了。

7. As far as hobbies are concerned, Jane and her sister have little in common.
就业余爱好而言，珍妮和她妹妹几乎没有什么共同之处。

8. It is self-evident that the education of the young is vital to the future of a country.
不言而喻，青年人的教育对于一个国家的未来是至关重要的。

大学英语精读第二册（第三版）Book2Unit3答案上海外语教育出版社
大学英语精读第三版第二册Book2Unit4答案上海外语教育出版社董亚芬主编
1) few
2) A little
3) little
4) few
5) a few little
6) a few few
7) little
8) few
1) function
2) corresponded with each other
3) immune to
4) at ease
5) displayed
6) approach
7) puzzle
8) a household word
9) capable of carrying out
10) so much so that
1) a series of
2) approaches
3) are pursuing
4) ambition
5) fame
6) come to terms with
7) work out
8) singled out
9) personality
10) taken apart
11) at ease
12) observe
13) modest
14) application
15) curiosity
16) solutions
1) He writes exclusively for the "Washington Post".
2) The friendship your people have for our people impressed me deeply during my visit in your country./ I was deeply impressed during my visit in your country by the friendship your people have for our people.
3) It took Joe a long time to come to terms with the fact that he would no longer be able to go sailing again.
4) Jim's grandfather believes more in fresh air and exercise than in medicine.
5) Owing to his poor education he was frustrated in his attempt to find a good job.
6) Most American cities are relatively small in terms of population when compared to Chinese cities like Shanghai and Beijing.
1) emotional
2) angry
3) atomic
4) exclusive
5) famous
6) jealous
7) safe
8) simple
9) important
10) valuable
11) central
12) delightful/delighted
13) feasible
14) fortunate
15) personal
16) capable
17) sandy
18) original
19) curious
20) easy
1) typewriter
2) honeymoon
3) airport
4) schoolmaster
5) necklace
6) eyesight
7) loudspeaker
8) sunrise
9) heartbeat
10) blood-test
11) motorcycle
12) crossroad
13) spaceship
14) superpower
15) lifeboat
16) rainstorm
1)
handbook/handmade/handsaw/handshake/handwork/hand writing
2) housebreaker/housekeep/housekeeper/house arrest/housemate/housework
3)
workbook/workday/workmate/workshop/worksite/worktable 4) bookkeeper/bookmark/book review/bookseller/bookshelf/bookstall
5) riverside/roadside/bedside/dockside/inside/outside
6) classroom/living room/reading room/waiting room/consulting room/dark room
1) a drop of blood
2) a grain of wheat
3) a length of rope
4) a lump of sugar
5) a ball of string
6) a block of marble
7) a roll of toilet paper
8) a helping of pie
9) a blanket of heavy mist
10) a slice of beef
1) Joe's father was seen to return after dark.
2) The wind was heard to roar through the trees.
3) I don't think Tom can be made to take the boss's orders.
4) The young man was seen to enter the building next to the bank.
5) When she was in Shanghai the actress was heard to say she had long thought of this city as her second home.
6) After the minister of education had finished speaking at the press conference, he was made to answer all sorts of questions.
1) The doctor advised (that) Mike (should) stay in hospital until he was fully recovered.
2) Cathy's father insisted (that) she (should) take a two-week rest before going back to work.
3) The chairman of the Trade Union suggested (that) a
special committee (should) be set up to look into the problem./ The chairman of the Trade Union suggested (that) they set up a special committee to look into the problem. 4) The commander ordered (that) our company (should) start the attack before dawn.
5) Knowing Jack to be dishonest, I demanded (that) he (should) tell me nothing but the truth.
6) The dean of the philosophy department requested (that) the visiting scholar (should) give a lecture on Sartre.
1) bewildered
2) impressed
3) modest
4) profound
5) displayed
6) ambition
7) singled out
8) puzzle
9) capable
10) at ease
1) by
2) with
3) listened
4) gave
5) told
6) lecture
7) sure
8) Why
9) for
10) agreed
11) two
12) hall
13) before
14) place
15) began
16) single
17) success
18) people
19) shaking
20) followed
21) before
22) stopped
23) a
24) listened
25) not
26) nodded
27) did
28) thought
29) but
30) order
31) was
32) answer
1) childhood
2) a slow start
3) mathematics
4) grew up
5) devote himself to research
6) world-famous
7) explain
8) you think it's two hours
9) the physical world
10) conquer
翻译
1) 那小女孩跑得太快，身体一下失去平衡，跌倒了。

The little girl ran so fast that she was thrown off balance and fell over / down.
2) 他致力于研究工作的精神(devotion to research) 给我留下了很深印象，但我对他那些深奥的理论丝毫不感兴趣。

I was impressed by his devotion to research but I did not have the slightest interest in his profound theories.
3) 千万别说可能会被人误解的话。

Be sure not to say anything capable of being misunderstood.
4) 我被他们互相矛盾的意见搞糊涂了，不知如何去做才是。

I was so bewildered by their conflicting advice that I did not know how to act/what to do.
5) 起初，这个复杂问题使他们感到灰心丧气，但经过仔细思考后他们终于研究出了解决办法。

At first this complicated problem frustrated them, but after thinking it over carefully they finally worked out a solution.
6) 体育代表团团长在少先队员向他献上一束鲜花时愉快地笑了。

The head of the sports delegation beamed with delight when a young pioneer presented him with a bunch of flowers.
7) 这学期我们都学习得不错，我真不明白为什么我们的英语老师单单表扬了班长一个人。

I really don't see why our English teacher should single out our monitor for praise since we have all done quite well this term.
8) 我相信比较高级的| (higher) |动物是由比较低级的|（lower）|动物进化而来|（develop from）|的这一学说。

I believe in the theory that the higher animals developed from the lower ones.
大学英语精读第三版第二册Book2Unit5答案上海外语教育出版社董亚芬主编
1)h
2)e
3)a
4)g
5)f
6)d
7)b
8)c
1)makes up
2)fraction
3) perspectives
4) from year to year
5) poisonous
6) liberate
7) crept
8) transparent
9) to make matters worse
10) consume
11) be replaced
12) interior
13) has disappeared
14) came about
1) has served as
2) may do harm to
3) makes up
4) convert them into
5) in all likelihood
6) from year to year
7) compete with for
8) is essential to
1) poisonous
2) joy
3) treacherous
4) religious
5) prosperous
6) spontaneous
7) humorous
8) mysterious
9) jealousy
10) curious
11) cautious
12) ridiculous
13) ambition
14) generous
15) virtue
16) error
1) fast-growing
2) fast-moving
3) good-looking
4) far-reaching
5) outstanding
6) ill-fitting
7) high-sounding
8) everlasting
1) ill-planned
2) well-paid
3) well-designed
4) well-read
5) newly-wed
6) well-meant
7) widespread
8) far-fetched
1) at first
2) firstly/first
3) First of all
4) first of all/first
5) firstly
6) first
7) at first
8) at first
1) A ballet dancer who does not practice every day loses a lot of skill, as does a musician.
2) Almost all the teachers at the training centre were women, as were the majority of the learners.
3) The first lines gripped him; as did the next verse; and then the whole poem.
4) Isaac watched her winning smile, as did every man in the group.
5) Anyone accompanying a disabled person will be admitted to the meeting, as will guide dogs.
6) The second individual session began with a review of the homework assignment, as did all sessions.
1) It is believed that between 50,000 and 100,000 people in this country, who are free of symptoms, are likely to be carrying the HIV virus.
2) During this period, it is estimated that half a million people were killed in the communal violence that flooded the country.
3) When it is discovered that a substance harms women's reproductive health, women of childbearing age are usually
kept from jobs that might expose them to it.
4) Official figures give average class sizes as forty to fifty, but it is reported that in the rural areas there are often seventy to eighty children in a class.
1) apparent
2) disappear
3) pressure
4) widespread
5) collapse
6) alternative
7) does us no harm
8) tissue
9) liberate
10) visible
11) radiation
12) by itself
13) consume
14) in all likelihood
1) grow
2) hotter
3) seem
4) run
5) fall
6) melt
7) means
8) away
9) retreat
10) to
11) necessarily
12) possible
13) so
14) exist
15) gained
16) though
17) found
18) another
19) piled
20) stay
21) causing
22) flooded
23) farther
1) planet's
2) average
3) directly
4) temperature
5) too cold for most life
6) In fact, it is frozen
7) thick
8) hot enough to melt lead
9) The Earth absorbs most of the energy that reaches its surface and re-emits it as heat
10) In doing so, we are setting the stage for a warmer Earth
翻译
1) 如果富有的国家多花些钱搞绿色工业，而不是去建立军事机器和制造核武器，当今许多广泛存在的污染问题将会逐渐消失。

If the rich countries spent more money on green industries, instead of on building up military machines and nuclear weapons, many of today's widespread pollution problems would gradually disappear.
2) 烧煤的时候，不仅消耗房子里面的氧气，而且还散发出有
毒的气体。

The burning of coal not only consumes the oxygen in the house but also gives out poisonous gases.
3) 显然，找到替代能源对我们经济的稳定发展是至关重要的。

Apparently, finding alternative energy sources is essential to the steady development of our economy.
4) 太阳能电池（solar cell）能吸收阳光并把它变成电。

Solar cells can absorb sunlight and convert it into electricity.
5) 如果地球上的温度继续年复一年地上升，极地的冰帽将会开始融化，沿海城市中一半的建筑物很可能会消失在劈啪飞溅的海浪下面。

If the temperature on the Earth continues to go up from year to year, the polar ice caps will begin to melt and, in all likelihood, half of the buildings in coastal cities will disappear beneath splashing sea waves.
6) 因为这些生物很小并且常常躲在叶子茂密的植物下面，肉眼并不都可以看见。

Because these creatures are small and tend to hide beneath leafy plants, they are not always visible to the naked eye.
7) 由于受到原子辐射，他最终在工作时倒下了。

As a result of exposure to atomic radiation, he finally collapsed at work.
8) 有明显的证据表明工作上的重压与身体的某些毛病有联系。

There is distinct evidence of the connection between heavy pressure of work and some disorders of the body.
大学英语精读第三版第二册Book2Unit5 上海外语教育出版社董亚芬主编
大学英语精读第三版第二册Book2Unit6答案上海外语教育出版社董亚芬主编
1) live with
2) resolve
3) encounter
4) sole
5) drawing to a close
6) anticipated
7) dwelt on
8) sat on
9) had butterflies in his stomach
10) conceited
1) open up
2) relaxed
3) emergency
4) concluded
5) live with
6) at one time or another
7) particular
8) surgery
9) was sweating
10) competently
11) in advance
12) in practice
1) I was confident that I would win the race. /I was confident of winning the race.
2) With determination and hard work, you are bound to succeed eventually.
3) The burglar walked very fast in order to avoid being seen by the policeman behind.
4) Driving a car after drinking alcohol will inevitably lead to an accident or arrest by the police.
5) You must take (full) responsibility for losing the money.
6) Great success at such an early age made the young businessman quite a conceited fellow.
下题横着
1) absence
2) efficiency
3) independence/independency
4) silence
5) confidence
6) patience
7) distance
8) competence/competency
9) frequence/frequency
10) presence
11) importance
12) permanence/permanency
13) constancy
14) emergence/emergency
15) evidence
1) efficiency
2) emergency
3) absence
4) confidence
5) frequency
6) distance
7) presence
8) independence
1) have enriched
2) had enjoyed
3) ensured
4) endeared
5) enabled
6) endanger
7) enlarge
8) have been embodied
9) empower
10) entitle
1) I'll get you one
2) I'm thinking of getting a new one
3) must buy some bigger ones
4) The one at the front
5) have eaten all the soft ones
6) decided to catch a later one
7) I want to borrow one
8) the ones you had on yesterday
1) Once a good beginning is made
2) Once you understand these rules
3) Once he makes a promise
4) Once they are put down in black and white/Once put down in black and white
5) once you get into the habit of smoking
6) Once she began to write in English
1) I had a lot of trouble getting the car started this morning.
2) You won't have much difficulty getting to know people in Italy.
3) The conceited young man said he had no difficulty whatsoever reading technical drawings.
4) To the teacher's surprise, most of the students in his class had little difficulty working out the hard maths problems.
5) Did you have any trouble finding the butterfly specimen Prof. Nolen wanted?。