Orange is common name of citrus fruit of several … (46). Different varieties include the sweet orange, the sour orange, and the mandarin orange, or tangerine. The fruit is technically is kind of berry. It … (47) of several easily separated sections, each containing several seeds and many juice cells, covered by a leathery skin, containing various oil glands.
Orange trees are evergreens, seldom exceeding 9 m (30 ft) in height. The leaves are oval and the flowers are white and fragrant. Three essential oils are obtained from oranges; oil of orange, obtained from the rind of the fruit and used … (48) as a flavoring agent; oil of pet grain, obtained from the leaves and twigs and used in perfumery; and oil of naroli, obtained from the blossom and used in flavoring and perfumes.
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48. A. Luckily
B. Ideally
C. Mainly
D. Slowly