Furthermore the walls of fungal cells are not made of cellulose, as those of plants are, but of another complex sugar like polymer called chitin, the material from which the hard outer skeletons of shrimps, spiders, and insects are made.
They are a major cause of structural damage to building timbers, a cause of disease in animals and humans, and one of the greatest causes of agricultural losses.
For men, heroism was usually described as bravery and the active, successful lover coming of adversity.
Martin Luther King, Jr., was born on January 15, 1929, and died on April 4, 1968.
Martin Luther King, Jr., was born on 15 January 1929, and died on 4April 1968.
The events of July 1789 are as familiar to the French as those of July 1776 are to Americans.
Pandas come from China, Asia.
【在并列連詞(and, but, for, nor, or, yet )前使用，用來連接句中的各分句】
The principal reason for this is that none of them possesses chlorophyll, and since they cannot synthesize their own carbohydrates, they obtain their supplies either from the breakdown of dead organic matter or from other living organisms.
Chemical fertilization, for example, helps to produce better crops, but is harmful to the environment.
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