1. Dogs are noiser than cats. (noisy > < quiet)
-Cats are quieter than dogs
2. Black and white movies  worse than color movies. (worse > < better)
Color movies are better than Black and white movies 
3. She cooks better than her sister.
Her sister doesn't cook as good as her
4. City people seem to react more quickly to change than country people.
country people. seem  to react more slowly  to change than City people