Whether or not vegetarianism should be advocated for adults, it is definitely unsatis- factory for growing children, who need more protein than they can get from vegetable sources.
There is a lacto-vegetariandiet which includes milk and milk products .Meat and cheese are the best sources of usable digestible protein and next come milk, fish and eggs. Slow and careful cooking of meat makes it more digestible and assists in the breaking, down of the protein content by the body. When cooking vegetables, however ,the vitamins, and in particular the water-soluble vitamin C, should not be lost through over-cooking.
31. A vegetarian is a person who
A. eats the meat of animals only
B. eats the vegetable only
C. drinks milks only
D. eat nothing at all
32. Compared with vegetable protein, animal protein contains
A. more proteins
B. more nutrients
C. more minerals
D. more amino-acids
33. The word lacto-vegetarian in Paragraph 4 means
A. very strict vegetarian
B. they eat fish
C. not strict vegetarian
D. non-vegetarian
34. From the passage, we know that
A. to gain enough protein, one must consume much more vegetable food than animal food
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