ADMICRO


Read the following passage, then choose the correct answer to questions 26 – 30.
Plants supply man with food clothing, and shelter- his most important needs.
Many of our most useful medicines are also made (26)_________ plants. In addition, plants add beauty and pleasure to our lives. Most people enjoy the smell of flowers, the sight field of waving grain, and the quiet of a forest. Not (27)_________  plants are helpful to man. Some species grow in fields and gardens as weed that choke off useful plants. Tiny hits of pollen from (28)_________ plants cause such (29)_________ as asthma and hay fever. Other plants destroy millions of dollars (30)_________ of crops yearly.
(27)....................

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