7. A. work　 B. discovery　 C. place　 D. effort

g. A. on　　 B. in　 C. off　 D. along

6. A. come　　 B. save　 C. head　 D. fight

5. A. ever　 B. even　 C. nearly　　 D. merely

4. A. placed　 B. piled　 C. trapped　 D. thrown

3. A. wider　 B. quicker　 C. closer　 D. stricter

2. A. ripe　 B. brown　 C. falling　 D. fresh

1. A. Sunlight　　 B. Air

　 C. Water　　　 D. Moonlight

1．文中提到Billy是学生，故排除A项，不能是专职的工作。2．getsb, up使某人起床。他的工作使他每天5点钟就得起床。3．从下文可知。4．从上下文可判断应用一般现在时。5．where引导的是定语从句。6．根据上文...to go to the corner来判断D项。7．下文提到the rest of the year。8．根据but可知两句的对应关系，前边提到dark，故选light。9．表示“在……天气里”应用in。10．此处paper作“报纸”解。根据eaeh可捧除D项。11．其他与句意不符。防止风、雨或雪．12．下文提到给他小费。故排除其他选项。13．上文提到Billy的工作十分到位。14．从下文提到Billy支配钱的方式可排除B项。earn挣钱，save节省。15．节省一些钱准备上大学。16．spend(money) on sth．花钱买某物。17．从顾客那收钱。下文19题前有暗示Billy has to col-lect the money...。18．多数的顾客白天上班。19．只有B项符合句意。20．Billy是九年级的学生，所以C项排除。21．从上文可知。22．但他并不满足。23．many more修饰可数名词，much more修饰不可数名词，even和Stlll与此句意不符。24．根据to Eu-rope可判断A项。29．但如果能得到一台自行车，他也会十分高兴。

　24

Robert performs his 24 foot boat past young willow trees that stick out of the waters of the Mississippi River.　　 1　　 dances off maples (枫树), their branches heavy with 　2　 　spring leaves. But a 　　3　 　inspection discloses trouble behind the beautiful sight.

Rubbish is　　 4　　 in a log jam (阻塞) and hangs from the tree’s branches.

For the next three hours Robert and his team pull plastic bags, tanks, bottles and 　5　 bowling pins out of the water. Then they　　 9　　 for a picnic table caught in the trees.

Welcome to the Mississippi River Beautification Project, begun in 1997 as Robert’s one-man 　　7　 　to pick up rubbish 　　8　 　a 400 mile stretch of the 2340-mile river. That year, often working 　9　 , the 22-year-old cleaned 150 miles of shoreline.

At first the project appeared 　10 　　and useless. But Robert tried his best to find 　11　 　, and with their backing, be soon had a new boat and a fly,man 　　12 　　-the Boom Crane Crew. Last year alone the crew 　　13　 　from the water 4405f-gallon drums, 1104 tires and enough plastic bags to 　　14　 　a football field. Much of the waste will be 　　15　 .

“Robert’s operation is the only one actually in　　 16　　 on the river,” says Mark of the Mississippi River Basin Alliance, a union of environmental groups. “lt’s the　 17　 　I have ever seen in 20 years, and he is inspiring others to do the 　18 　.”

“The river has given me a livelihood and brought me so much 　　19 　,” Robert says, “I wanted to do something in 　　20 　.”

25. A. because 　B. whether　 C. unless　 D. if

Key: 1-5 DDBAB 6-10 DBACA　 11-15 BDDAD　 16-20 DCCBA　 21-25 CBCAD

解析：

24. A. trip　　 B. car　 C. bicycle　　 D. job