更多"A．had to
B．very had
C．so
D．ha"的相关试题:
[单项选择]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)
A. pay back
B. pay out
C. pay off
D. pay for
