完形填空（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。
I work as a volunteer for an organization that helps the poor in Haiti. Recently I took my son Barrett there for a week, hoping to___1____ him.
Before setting out, I told Barrett this trip would be tiring and ____2____. For the first two days, he said almost nothing. I worried the trip was too ___3____ for a 17-year-old. Then, on day three, as we were ___4____ over high rocky mountains, he turned to me and grinned(咧嘴笑),“Pretty hard.”
After that there was no turning back. A five-year-old girl, wearing a dress several sizes ___5___ large and broken shoes, followed Barrett around, mesmerized(着迷). He couldn’t stop ___6____. Later he said ____7____ , “I wish I could speak French.” I was ___8___— this from a boy who hated and ___9____ French classes throughout school.
Usually silent, he ___10___ Gaby, our host, and kept asking questions about the country and its people. He blossomed(活泼起来).
__11___, the moment that really took __12___ breath away occurred in a village deep in the mountains. I was ___13___ a woman villager for an article. 135 centimeters tall, she was small in figure but strong in ___14___. Through determination, she had learned to read and write, and __15___ to become part of the leadership of the __16___.
Learning her story, Barrett was as ___17___ as I by this tiny woman’s achievements. His eyes were wet and there was a ___18___ of love and respect on his face. He had finally understood the importance of my work.
When leaving for home, Barrett even offered to stay ___19___ as a volunteer. My insides suddenly felt struck. This ___20____ achieved all I’d expected. Soon he will celebrate his 18th birthday. He’ll be a man.
| 小题1: | | A．comfort | B．please | C．attract | D．educate |
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| 小题2: | | A．rough | B．dangerous | C．troublesome | D．violent |
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| 小题3: | | A．little | B．much | C．fast | D．slow |
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| 小题4: | | A．moving | B．running | C．climbing | D．looking |
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| 小题6: | | A．joking | B．crying | C．shouting | D．smiling |
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| 小题7: | | A．patiently | B．regretfully | C．lightly | D．cheerfully |
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| 小题8: | | A．ashamed | B．disappointed | C．determined | D．surprised |
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| 小题9: | | A．took up | B．went in for | C．fought against | D．called off |
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| 小题10: | | A．befriended | B．disregarded | C．avoided | D．recognized |
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| 小题11: | | A．Thus | B．Even | C．Meanwhile | D．However |
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| 小题13: | | A．asking | B．interviewing | C．arranging | D．describing |
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| 小题14: | | A．brain | B．wish | C．will | D．health |
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| 小题15: | | A．appeared | B．struggled | C．hesitated | D．failed |
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| 小题16: | | A．village | B．city | C．organization | D．state |
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| 小题17: | | A．pleased | B．bored | C．puzzled | D．touched |
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| 小题18: | | A．combination | B．composition | C．connection | D．satisfaction |
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| 小题20: | | A．interview | B．flight | C．article | D．trip |
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，下列叙述中，对于Cl2在该反应中所起的作用说法正确的是（）。