2. 外语
  3. Organic farmers had fought to prevent genetically-engineered crops from being【C1】______organic, and it could【C2】______for them.

Organic farmers had fought to prevent genetically-engineered crops from being【C1】______organic, and it could【C2】______for them.

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问题     Organic farmers had fought to prevent genetically-engineered crops from being【C1】______organic, and it could【C2】______for them. Plants genetically【C3】______to resist insects and other pests【C4】______about 15-percent of United States crop production, but it has become a【C5】______15-percent. Several European countries are refusing to【C6】______genetically-engineered crops from the United States. Jim Skiff, president of the Illinois-based company US Soy, says his company will not grow crops with genetically modified organisms, known as GMO for short.
    But the biotechnology industry is fighting back. Here’s an advertisement produced by the Washington-based Council for Biotechnology Information. The biotech industry received a(n)【C7】______in April,【C8】______a National Academy of Sciences report【C9】______that GMO crops appear to be safe. GMO supporters called the report proof【C10】______fears of these crops are【C11】______, while critics called the report proof that the【C12】______risk of GMO crops are not【C13】______known.
    Some companies are avoiding GMO crops in their products just to【C14】______the genetic-food fight【C15】______. Jim Schillinger of Iowa-based Whole Soy says his【C16】______of soy-based foods will not include genetically-engineered beans. Agriculture officials in the Midwest United States say it appears farmers are planting fewer【C17】______of GMO soybeans and corn this year, though they say this is probably a【C18】______situation until the controversy【C19】______A survey conducted by the Food Marketing Institute suggests 63-percent of American【C20】______are likely to buy genetically-engineered foods. That is down from 77-percent four years ago.
【C18】
选项 A、constant
B、unfavorable
C、temporary
D、proficient
答案C
解析 词汇辨析。本题选项中，constant意为“始终如一的”；unfavorable意为“不利的”；proficient意为“精通的”；temporary意为“暂时的，临时的”，符合句意，故选C。
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