填空题

About Wetlands in the U.S.A.
People enjoy a famous soup (SHE-CRAB SOUP) in North Carolina because the days of the regional soup may be getting fewer and fewer: "no wetlands, no seafood".
Ⅰ. The current situation of wetlands:
1) California has lost (1) of wetlands--91 percent, (1) ______
and the rate of loss of wetlands is an acre per minute.
2) 21 other states have losted at least half of their (2) . (2) ______
Ⅱ. The key value of wetlands:
1) Each acre of wetland is worth (3) more money than (3) ______
an acre of ocean in the benefits;
2) Wetlands act like sponges and (4) like our kidney: (4) ______
A. filtering out hazardous materials like dirt, chemicals,
pesticides and fertilizers;
B. serving as large (5) areas. (5) ______
3) More important than ocean (6) in the diversity of species supported. (6) ______
Ⅲ. The possible measures to protect wetlands:
1) Convince people to stop (7) or doing business in former wetlands; (7) ______
2) Encourage developers and businesses to stay in (8) cities; (8) ______
3) Get the government to stop developers from building in wetlands;
4) Raise (9) of this serious issue; (9) ______
5) Protest the destruction of wetlands when we see it.
Ⅳ. The only solution:
An increase in (10) in favor of protecting wetlands, (10) ______
which both the builders and the government will listen.

【参考答案】

the greatest percentage