题目内容
完型填空
阅读下面短文，掌握其大意，然后从以下各题所给的A，B，C，D四个选项中选出可以填入空白处的最佳选项。
Although vitamin C is an 1 defender of body cells, the vitamin can also play a “dual” (双重的) role 2 , at times, actually damages cells' genetic (遗传的) material, new research 3 . Investigators say their findings 4 help explain why high-dose(剂量) vitamin C has so far 5 as an experimental cancer therapy.
6 the June 15th issue of Science, researchers at the University of Pennsylvania in Philadelphia 7 on their test-tube experiments 8 that vitamin C is 9 of giving rise to DNA-damaging substances called genotoxins.
Previous research has shown vitamin C can 10 DNA damage, but the new research demonstrates a 11 avenue (途径，方法) the vitamin can take in doing 12 .
Moreover, according to lan A. Blair and his colleagues, the 13 may offer one reason why vitamin C has failed to 14 the expectations of some who believe 15 can help treat cancer.
In the average person, Blair explained in an interview, vitamin C may regularly act as 16 a cell's friend 16 foe (敌人), making a daily megadose (大剂量) of vitamin C 17 to fight illness. “ 18 could be an explanation for 19 a good diet is better than 20 a single vitamin,” he said.
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解析：
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B;C;D;A;C;A;B;C;B;A;B;D;B;A;A;B;B;C;B;A |
完型填空（共20小题；每小题1分，满分20分）
阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡将该项涂黑。
As Amy Hagadorn rounded the corner across the hall from her classroom, she knocked into a tall boy from the fifth grade running in the opposite direction.
“ 36 ”the boy shouted．Then, with a silly smile on his face, the boy 37 his right leg and walked the way Amy limped（跛行）when she walked.
Amy closed her eyes. “ 38 him!” She told herself as she headed for her classroom.
But at the end of the day, Amy was still thinking about the tall boy’s 39 way. It wasn’t as if he were the only one. It seemed that ever since Amy started the third grade, someone laughed at her 40 . Kids made fun of her about her 41 or her limping. Amy was 42 it. Sometimes, even in a classroom full of other students, the teasing（嘲笑）made her feel 43 alone.
Back home at the dinner table that evening, Amy was 44 . Her mother knew that things were not going well at 45 . That’s why she was happy to have some exciting news to 46 with her daughter.
“There is a Christmas 47 contest on the radio station,” Amy’s Mom announced．“ 48 a letter to Santa, and you might win a prize. I think 49 at the table with blonde（白肤金发的）curly hair should enter.”
A 50 took hold of Amy when the idea first came to her. Out came pencil and paper, and Amy went to work on her letter. “Dear Santa Claus,” she began.
While Amy worked at her letter, the rest of the family tried to 51 what she might ask from Santa．Amy’s sister, Jamie, and Amy’s Mom both thought a three-foot Barbie doll would 52 Amy’s wish list. Amy’s Dad guessed a picture book. But Amy wasn’t 53 to tell her secret Christmas wish just then. Here is Amy’s letter to Santa, which she wrote that night:
Dear Santa Claus,
My name is Amy. I am nine years old．I have a problem at school. Can you help me, Santa? Kids laugh at me 54 the way I walk and run and talk. I have cerebral palsy（脑瘫）. I just want one 55 when no one laughs at me or makes fun of me.
36．A．Go ahead B．Watch it C．Make it D．Mind you
37．A．lived up to B．got down to C．took hold of D．started at
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40．A．more than one day B．every other day
C．every single day D．on particular day
41．A．speaking B．listening C．reading D．writing
42．A．tired of B．free from C．angry with D．satisfied with
43．A．surprisedly B．all C．exactly D．even
44．A．calm B．eager C．quiet D．pleased
45．A．school B．home C．dinner D．play
46．A．work B．connect C．share D．talk
47．A．singing B．speech C．dancing D．wish
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50．A．sadness B．smile C．coldness D．cry
51．A．guess B．recognize C．read D．consider
52．A．form B．make C．top D．reach
53．A．contented B．surprised C．lucky D．ready
54．A．in front of B．in spite of C．in place of D．because of
55．A．friend B．day C．classmate D．way
完型填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中选出可以填入空白处的最佳选项。
For long, a little boy was wondering why his deskmate could rank 1st in the class whenever he wanted to, while he himself failed to: he only ranked 21st.
At home, he asked his Mom, “Mom, am I more 21 than others? I feel I am obedient and as careful as him, but 22 I always fall behind? ” Hearing the words， Mom was aware that her son began to 23 the sense of self-respect, which was now being injured by the ranking system. 24 at him, she went wordless, not knowing 25 to explain.
In another test, the son ranked 17th, while his deskmate remained 1st. Back home he 26 the same question. Mom really wanted to inform his son that 27 differs, which means that students ranking 1st are supposed to be cleverer than normal ones. 28 , was this discouraging answer the one that her son was constantly 29 about? Thank goodness she did not open her mouth.
H
ow to answer her son’s question? There were times when she felt an urge to say, “You are too lazy. You are not as hard-working as others…”but she stopped 30 imagining her son suffering from the pains of unsatisfied grades and rankings. She thought it 31 to put any additional burden on his son and was trying to find out a perfect answer.
Time passing swiftly, the son 32 primary school. Despite studying harder and better, he was still unable to keep up with his deskmate. To show her pride of him, Mom decided to 33 him to the sea. During the trip, she managed to give an answer.
Now, the son no longer worries about his 34 , and there are no boring guys who would inquire his grades in primary school, because, 35 the 1st ranking, he is admitted to Tsinghua University. Back home in winter vacation, he was invited to 36 the students and parents in his high school, In the speech, he mentioned a valuable experience in his childhood, “…When my mother and I were lying on the 37 , she pointed to the front and said, “Do you see the seabirds struggling for food over there ?When the waves come near, little birds can rise 38 while awkward seagulls would take more time to complete the process. However, have you noticed birds that finally fly 39 the endless ocean are none other than the awkward seagulls?” The speech 40 many mothers present to tears, including his mother.
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