单项选择题


Organic farmers had fought to prevent genetically-engineered crops from being (67) organic, and it could (68) for them. Plants genetically (69) to resist insects and other pests (70) about 15-percent of United States crop production, but it has become a (71) 15-percent. Several European countries are refusing to (72) genetically-engineered crops from the United States. Jim Skiff, president of the Illinois-based company U-S Soy, says his company will not grow crops with genetically modified organisms, known as G-M-O 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)
(73) in April, (74) a National Academy of Sciences report (75) that C-M-O crops appear to be safe. G-M-O supporters called the report proof (76) fears of these crops are (77) , while critics called the report proof that the (78) of G-M-O crops are not (79) known.
Some companies are avoiding G-M-O crops in their products just to (80) the genetic-food fight (81) . Jim Schlesinger of Iowa-based Whole Soy says his (82) of soy-based foods will not include genetically-engineered beans. Agriculture officials in the Midwest United States say it appears famers are planting fewer (83) of G-M-O soybeans and corn this year, though they say this is probably a (84) situation until the controversy (85) . A survey conducted by the Food Marketing Institute suggests 63-percent of American (86) are likely to buy genetically-engineered foods. That is down from 77-percent four years ago.

A.constant
B.unfavorable
C.temporary
D.proficient
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