更多"What special tasks were not the fir"的相关试题:
[填空题]According to the passage, what were dogs trained for in the past
Dogs were trained for _________ in the past.
[单项选择]What were the things in Britain that Dr. Mathew found most strange when he first arrived
A. Drivers in Britain always broke the traffic rules.
B. Foot passengers did not look before they crossed the road.
C. People in Britain drive on the other side of the road.
D. It is dangerous to cross the road in Britain.
[填空题]Why were dogs used for hunting
Because they always _________.
[填空题]What are dogs trained to do in Switzerland
[填空题] Dogs were first domesticated from wolves at least 17,000 years ago, but perhaps as early as 150,000 years ago based upon recent genetic fossil and DNA (36)________. In this time, the dog has developed into hundreds of breeds with a great degree of (37)________. For example, heights at the shoulder range from just a few inches to roughly three feet, and colors range from white to black, with reds, grays, and browns (38) _______in tremendous (39)________.
Dogs are highly social animals and this (40)________in their overall behavioral system (41)_______ for their trainability, playfulness, and ability to fit into human (42)________and social situations. This has earned dogs a (43) ________position in the realm of interspecies relationships. (44)________________________ are thought to be reflections of the human idea of love and friendship, leading many dog owners to view their pets as full fledged family members. Dogs seem to view their human companions as members of their pack
