第二节 完形填空(共20小题，每小题1．5分，满分30分)
阅读下面短文，掌握其大意，然后从36—55各题所给的A、B、C、D四个选项中，选出最佳答案，并在答题卡上将该项涂黑。
Staring at a computer semen，Patty Hall noticed all e-mail from Christopher Mutuku，a driver she knew when volunteering in Kenya．People in his village of Kathmlgu were 36 ，he wrote．”The river has dried up and there is no water．Do you know anyone who can raise 37 to build a dam(坝)?”
Imagining a huge expensive concrete dam，Hall 38 ．At 57 ，she was about to retire．after 35 years of 39 ．Much as she wanted to help Kenya, she didn’t want to get 40 in a time-consuming project like this．She knew, 41 ，that the lack of clean water was a life-and-death problem in rural villages．Animals contaminated(污染)the rivers，the main 42 of drinking water．In summer，the rivers dried up completely．
“How much would it 43 ．”she wrote to Mutuku．”About $7,000，”he answered．
That might be doable(可做的)，she 44 ．
Hall showed her students slides of Kenyan mud huts(棚屋)and asked them to 45 living without running water．She shared photos of young girls carrying h11ge containers of 46 on their backs. The girls were 47 to attend school because they spent most of their day walking 48 four miles to and from rivers，springs，orthe well in a nearby village．
49 to help，the ClaSS decided on a name—H2O for Life—and set to work．Students 50 H2O for Life wristbands(手带)，holiday crafts and African-themed note cards．A student pianist held a 51 that brought in $400．A group of girls sold valentines(情人节卡)and collected $300．
In just six months，the kids 52 over $12，000．
Later, Hall flew to Kenya and visited Kathungu．The villagers held a 53 to welcome her and then showed her the dam that traps and filters(过滤)water so that it's 54 and drinkable all the year round．
Since that first e-mail，H2O for Life has 55 to 14 schools and raised $130,000 to bring clean water to communities in Africa and Central America．
36．A．anxious B．diligent C．stressful D．desperate
37．A．money B．awareness C．material D．contribution
38．A．delayed B．puzzled C．hesitated D．quitted
39．A．working B．teaching C．serving D．volunteering
40．A．involved B．committed C. buried D．occupied
41．A．therefore B．moreover C．instead D．however
42．A．resource B．source C．origin D．root
43．A．pay B．spend C．cost D．need
44．A．wondered B．decided C．convinced D．expected
45．A．think B．balance C．predict D．imagine
46．A．water B．food C．crop D．drink
47．A．unlucky B．unwilling C．unable D．unskillful
48．A．far B．above C．beyond D．some
49．A．Likely B．Eager C．Fond D．Active
50．A．sold B．bought C．wore D．offered
51．A．party B．contest C．concert D．exhibition
52．A．loaned B．raised C．donated D．contributed
53．A．opening B．greeting C．celebration D．reception
54．A．available B．accessible C．adaptable D．acceptable
55．A．extended B．spread C．expanded D．intended