完形填空（共15小题；每小题2分，满分30分）

阅读下面短文，掌握其大意，然后从下列各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

The human nose is an underestimated tool. Humans are often thought to be  1___ smellers compared with animals, but this is largely because, unlike animals, we stand upright. This means that our noses are  2  to detecting those smells which float through the air,  3  the majority of smells which stick to surfaces. In fact though, we are extremely sensitive to smells, even if we do not generally realize it. Our noses are capable of  4  human smells even when these are  5  to far below one part in one million.

　　  6     , some people find that they can smell one type of flower but not another, while others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate  7     smell receptors in the nose. These receptors are the cells which sense smells and send  8    to the brain. However, it has been found that even people insensitive to a certain smell at first can suddenly become sensitive to it when  9     to it often enough.

　　The  10   for insensitivity to smell seems to be that brain finds it  11    to keep all smell receptors working all the time but can  12   new receptors if necessary. This may also explain why we are not usually sensitive to our own smells we simply do not need to be. We are not  13     of the usual smell of our own house but we  14     new smells when we visit someone else's. The brain finds it best to keep smell receptors _ 15    for unfamiliar and emergency signals such as the smell of smoke, which might indicate the danger of fire.

I stood by and watched her and her mother busily decorating her college dormitory.Everything was in place，__1__ boxes under the bed and photos of her dearest friends on the wall.I closely monitored that this time things were __2__.I began to accept that her room at home is no longer __3__.It is now ours，our room for her when she visits.

I __4__ myself thinking of when I held her in my arms sitting in a chair by my wife's hospital __5__.One day old.So small，so beautiful，so perfect，so totally reliant on her new，untested parents.My life changed from the day I drove this little baby home from the __6__.I saw myself different that day，__7__.

The last few days __8__ she left for college，I touched her face—anything—__9__ that when my wife and I returned home，she would not be with us and there would be __10__ to touch.I had so much to say，but no words with which to say it.

Suddenly she looked up，__11__ me staring at her，which caused her to say to her mother，“Mom，Dad's looking at me funny.” She then said，“It'll be __12__，Dad.I'll be home from school soon.” I told her she would have a __13__ year.But I said little else.I was __14__　 that I would say something too small for what I was feeling，__15__ I only held onto our goodbye hug a little longer，a little __16__.

My wife's eyes followed her as she left us.Mine did not.I __17__ she hadn't gone.I knew that the life she was going __18__ was exciting and wonderful.I remembered what the world looked like to me when everything was __19__.

On the way back home，my eyes were wet and my heart was sore，and I realized that my __20__ was changed forever.

1．A.with　 　　　　 B．in

C．by　　　　 　　　 D．on

2．A.important 　　　　 B．enjoyable

C．convenient　 　　 D．different

3．A.mine　　 　　　　 B．hers

C．ours　　　 　　　 D．theirs

4．A.sent　　　 　　　　 B．stopped

C．found　　 　　　 D．set

5．A.desk　　　 　　　　 B．wall

C．room　　　 　　　 D．bed

6．A.kindergarten　 　　 B．hospital

C．school　　 　　　 D．park

7．A.neither　　 　　　 B．either

C．other　　 　　　 D．too

8．A.before　　 　　　　 B．after

C．since　　 　　　 D．when

9．A.wondering 　 　　　 B．saying

C．knowing　 　　　 D．showing

10．A.nothing　 　　　　 B．everything　

C．anything 　　　 D．something

11．A.observing　 　　　 B．catching　

C．watching 　　　 D．keeping

12．A.bad　　 　　　 B．wrong　

C．fine　　 　　　　 D．right

13．A.whole　　 　　　　 B．comfortable　

C．difficult 　　　　　 D．great

14．A.aware　　 　　　　 B．afraid　

C．sure　　 　　　　 D．sorry

15．A.but　　 　　　　 B．for　

C．so　　　 　　　　 D．and

16．A.better　 　　　　 B．tighter　

C．happier　 　　　 D．nearer

17．A.imagined　 　　　 B．thought　

C．guessed　 　　　 D．expected

18．A.across　 　　　　 B．by 　

C．towards　 　　　 D．over

19．A.good　　 　　　　 B．bright　

C．new　　 　　　　 D．perfect

20．A.life　　 　　　　 B．heart

C．dream　 　　　　 D．belief

完形填空

　　During the dust-blown thirties, everyone fell on hard times. The year 1 10, we drew names at our little school to see whom we'd 2 Christmas gifts with. I picked Helen's name. Helen was a new girl. Her family 3 in a house someone had deserted.

　　Every day Helen wore the 4 brown dress to school, some of the neighbors whispered that Helen's daddy was 5 , and that he drank. Some didn't 6 want their kids to be friends with Helen.

　　One day in December I said to Mom,“Wouldn't it be nice to get Helen a 7 for Christmas?”Mom agreed, 8 I could see from her expression that there was no extra money for material. She had bought the material for me and my sisters and our dresses were almost 9 “There must be a way,”I 10 . Mom hugged me.“I wish there was a way,”she said.

　　The next morning Mom called me into the kitchen.“I have a(an) 11 ,”she said.“You and Helen are the same 12 . If you gave her your new red dress, I could fix you up the wool plaid（格子花呢）one that your cousin Esther sent.”I got a special feeling in my stomach. Give Helen my new dress? 13 I could respond, Mom said quickly,“I'll go ahead and fix the plaid dress and you can give her that, so she will have a 14 dress to wear for Christmas.”

　　“Give the red dress to Helen,”I said.“I want her to have it.” “Are you 15 ?” “I am sure. Absolutely.”When Helen came into the room Mom handed her the new red dress. A look of 16 filled Helen's face. She hugged Mom. Helen took it and 17 it in front of her.“Thank you, thank you, thank--”she said to me.“I'm so 18 .”I was feeling happy, too. Helen moved away shortly after that and I never 19 her again. Me, the plaid dress became one of my 20 .