emphasize the similarities.РCompare the following two topic sentences and see which one is better.Р1. Although both our pet cats look lovely, their differences in temperament is constant source of amusement.Р2. Our two pet cats are quite different.РObviously, topic sentence 1 is better than topic sentence 2 for three reasons: First, topic sentence 2 is too general to be developed in one paragraph. it does not restrict the controlling ideas as to what points of the two cats to contrast. Second, topic sentence 1 not only indicates the point to be contrasted but also reveals that the purpose of the writer is not just to show the difference but to reveal a source of amusement. Third, topic sentence 1 acknowledges the obvious similarity of the two pet cats, and then indicates the differences a
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