2. 专升本
  3. Environmental awareness hardly exists since most countries are more concerned【C1】______economic development【C2】______with global

Environmental awareness hardly exists since most countries are more concerned【C1】______economic development【C2】______with global

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问题     Environmental awareness hardly exists since most countries are more concerned【C1】______economic development【C2】______with global ecology. Increasing environmental damage 【C3】______has caused some countries to【C4】______new environmental initiatives. Canada has protected its【C5】______supply by closing areas to fishing【C6】______setting strict limits on catches of certain【C7】______. As a result, some fish like herring eventually【C8】______, but some like cod may never recover, and【C9】______40,000 fishermen are unemployed because of 【C10】______fishing bans and the reduced【C11】______of fish.
    To protect its【C12】______rain forest, Costa Rica has【C13】______a series of new environmental laws and【C14】______parks and nature preserves that【C15】______one quarter of the country. Under pressure from environmentalists around the world, Brazil【C16】______to protect【C17】______Amazon rain forest but Amazon Indians【C18】______endangered【C19】______the conflict with【C20】______people who continue to destroy the forests.
【C18】
选项 A、been
B、were
C、have
D、are
答案D
解析
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