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Water, soil and the earth’s green mantle of plants make up the world that supports the animal life of the earth. Although
a modern man seldom remembers the fact, he could not exist without the plants that harness the sun’s energy and
manufacture the basic foodstuffs he depends 26 for life. Our attitude 27 plants is a singularly narrow
one. If we see any immediate utility in a plant we foster it. 28 for any reason we find its presence undesirable,
or merely a matter of indifference, we may condemn it to destruction. Besides the various plants 29 are
poisonous to man or to his livestock, many are marked for destruction merely because, according to our narrow view,
they are destroyed merely 30 they happen to be the associates of the unwanted plants. 【題組】
26. (A)on (B)in (C)to (D)at
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