Why do people like dogs A: [A] Because dogs are lovely. B: Because dogs are clever. C: Because dogs always try to please their owners.

Why do most Americans like dogs better? A: Because dogs leave people alone. B: Because dogs like to be with people. C: Because dogs are willing to do things for people. D: Because all dogs, including wild dogs, are friendly.

It is true that dogs___________people by their smell.

Some old people love their cats or dogs as much as a human friend.（)

Many people consider dogs _______ man’s faithful friends. A: of B: as C: in D: on

In France dogs can go ________ their owners can because people there love pets very much.

Consider the market for hot dogs. As long as the marginal benefit of consuming hot dogs is greater than the price of hot dogs, A: people receive consumer surplus from eating hot dogs. B: the price of hot dogs will rise. C: the value of hot dogs will rise. D: there is no decreasing marginal benefit of eating hot dogs.

In America, people usually have some pies and potato chips when they eat hot dogs and hamburgers.

People who prefer quietness and keep dogs for recreation should choose male dogs. A: 正确 B: 错误

Dogs and cats are similar in that ______. A: people can use them for hunting B: they are associated with man closely C: they have the same way of living D: they are equally liked by people