In recent years a new farming
revolution has begun, one that involves the (61) of life at
a fundamental level--the gene. The study of genetics has (62)
a new industry called biotechnology. As the name suggests, It
(63) biology and modern technology through such techniques
as genetic engineering. Some of the new biotech companies specialize in
agriculture and are working feverishly to (64) seeds that
give a high yield, that (65) diseases, drought and frost,
and that reduce the need for (66) chemicals. If such goals
could be achieved, it would be most (67) . But some have
raised concerns about genetically engineered crops. In nature,
genetic diversity is created within certain (68) . A rose can
be crossed with a different kind of rose, but a rose will never cross with a
potato. Genet A. where B. as C. what D. so
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rev"的相关试题:
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In recent years a new farming
revolution has begun, one that involves the (61) of life at
a fundamental level--the gene. The study of genetics has (62)
a new industry called biotechnology. As the name suggests, It
(63) biology and modern technology through such techniques
as genetic engineering. Some of the new biotech companies specialize in
agriculture and are working feverishly to (64) seeds that
give a high yield, that (65) diseases, drought and frost,
and that reduce the need for (66) chemicals. If such goals
could be achieved, it would be most (67) . But some have
raised concerns about genetically engineered crops. In nature,
genetic diversity is created within certain (68) . A rose can
be crossed with a different kind of rose, but a rose will never cross with a
potato. Genet A. manufacture B. management C. manipulation D. maturity
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