Which of the following statements is false().
A: People know exactly how and why humans domesticated the first dogs.
B: People learned to selectively breed dogs for certain specific tasks.
C: Of all the domesticated animals, dogs seem closest to their owners.
D: Wolves raised in captivity still fall to understand human gestures:
A: People know exactly how and why humans domesticated the first dogs.
B: People learned to selectively breed dogs for certain specific tasks.
C: Of all the domesticated animals, dogs seem closest to their owners.
D: Wolves raised in captivity still fall to understand human gestures:
举一反三
- 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.
- The author's primary purpose in telling this story is to ______ . A: reveal some people's cruelty to animals B: remind us of the contribution of dogs in the exploitation of the north C: point out that dogs can also be good workers D: demonstrate how dogs, like humans, learn to adapt themselves to a new life
- 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 Act IV Scene 1, Theseus talks about his dogs. Which of the following characters belong to his dogs? A: The dogs were bred in Spart. B: His dogs are like Sparta dogs. C: The colour of his dogs in the yellow colour like the colour of sands. D: His dogs have big ears.