1.In the earthquake places,rats will become man's best friends because they can
take the place of man in rescue jobs
find the positions of people alive who are trapped in buildings
serve as food for people alive who are trapped in buildings
send signals for the coming earthquake
2.From the third paragraph we know the rescuers can judge a person is alive by
the noise made by the rat
the rat's unusual behaviour
the signal sent by the radio on the rat's back
the smell given off by the person
3.In doing rescue jobs
rats have better sense of smell than dogs
dogs don't need to be trained to smell people
robots' sense of smell can be affected by other smells around
rats cansee in the dark and are smaller than robots
4.After reading the passage we can know
rats have taken the place of dogs in searching for people
the“rat project”has been completed
people are now happy to see a rat in a building
now people still use dogs and robots in performing rescues

1.In the earthquake places,rats will become man's best friends because they can
在地震灾区，老鼠能够成为人类最好的朋友，是因为它们（B）
take the place of man in rescue jobs
代替人类进行救援工作
find the positions of people alive who are trapped in buildings
找到困在建筑物中活人的位置
serve as food for people alive who are trapped in buildings
充当困在建筑物中的人的食物
send signals for the coming earthquake
为即将到来的地震传递信号

2.From the third paragraph we know the rescuers can judge a person is alive by
从第三段中，我们可以看出救援者可以通过（）判断人还活着
the noise made by the rat
老鼠发出的声音
the rat's unusual behaviour
老鼠的不寻常行为
the signal sent by the radio on the rat's back
老鼠背上的无线电传递的信号
the smell given off by the person
人身上发出的气味

3.In doing rescue jobs
在救援工作中（）
rats have better sense of smell than dogs
老鼠比狗有更好的嗅觉
dogs don't need to be trained to smell people
狗不需要训练就可以闻到人
robots' sense of smell can be affected by other smells around
机器人的嗅觉会因为其他气味受到影响
rats cansee in the dark and are smaller than robots
老鼠在黑暗中可以看见，且比机器人小

4.After reading the passage we can know
阅读完本文，我们可以知道（）
rats have taken the place of dogs in searching for people
在搜救工作中，老鼠已经完全取代狗
the“rat project”has been completed
“耗子计划”已经结束
people are now happy to see a rat in a building
人类不喜欢在建筑物内看见老鼠
now people still use dogs and robots in performing rescues
现在人类仍然使用狗和机器人进行救援工作