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

e　　　　　 B. save　　　　　　 C. head　　　　 D. fight

5.A.For　 　　　　B. At　　　　　　　 C. After　　　　 　D. By

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. Dust　　　　　 D. Moonlight

20.A.surprise　　　 　B. disappointment　 　C. delight 　　　　　D. satisfaction

(20)

　　 Chad performs his 24-foot aluminum (铝)boat past willow young 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 logjam(河道内运完木材所剩的木头) and hangs from the trees branches.

　　 　5　 　the next three hours Chad and his team pull plastic bags, tanks, bottles and 　6　 　bowling pins out of the water. Then they 　7　 　for a picnic table caught in the trees.

　　 Welcome to the Mississippi River Beautification & Restoration Project, began in 1997 as Chads one-man 　8　 　to pick up rubbish along 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 Chad tried his best to find 　11　 , and with their backing, he soon had a new boat and a five-man team---the Boom Crane Crew. Last year alone the crew 12　 　from the water 44055-gallon drums, 1104 tires and enough plastic bags to cover a football field. Much of the waste will be 　13　 .

　　 Chads operation is the only one actually in 　14　 　on the river, says Mark of the Mississippi River Basin Alliance, a union of environmental groups. Its the 　　15　 　Ive ever seen in 20 years, and he is inspiring others to do the 　16　 .

The Mississippi was my back 　17　 , Chad says. In his teens he and his brother worked on the river as clammers(掘蚌者) and camped on islands 　18　 　the waterway. The river has given me a livelihood and brought me so much 　19　 , Chad says. I wanted to do something in 　20 .

19.A.moved　　　　 B. worried　　 　　　C. tired　　　 　　　D. hurt

18.A.as　　　　　　 B. to　　　　　　　 C. about　　　　　 D. for

17.A.until　　　　 　B. when　　　　　　 C. before　　　　　 D. though