高一上册英语译林必修第一册检测：Unit+3+（四）+Extended+reading+&+Project+&+Assessment+Word版含解析.doc

Unit 3 课下题型练(四) Extended reading & Project & Assessment
Ⅰ.阅读理解
Can dogs and cats get along well in the same home？People who are thinking about getting a dog as a friend for their cat are worried that they will fight.A recent research has found that if the cat is taken back home before the dog，and if they are introduced when still young (less than 6 months for cats, a year for dogs), it is highly probable that the two pets will get along swimmingly. In two­thirds of the homes cats and dogs have a good relationship.
However，it wasn’t all sweetness and light.There was a reported coldness between the cat and dog in 25% of the homes，while aggression (侵略，好斗) and fighting were found in 10% of the homes.One reason for this is probably that some of their body languages are just different.For example，when a cat turns its head away it means aggression, while a dog doing the same means submission (顺从)．
In homes with cats and dogs living peacefully，researchers found a surprising behaviour.They are learning how to talk each other’s language.It is a surprise that cats can learn how to talk “Dog”， and dogs can learn how to talk “Cat”．
What’s interesting is that both cats and dogs have appeared to become smarter.They can learn to read each other’s body languages，suggesting that the two may have more in common than was expected.Once familiar with each other’s body language，cats and dogs