Reading

　　一、1.myself 2.asleep 3.fire 4.firemen 5.safe

　　二、1.guide 2.allow 3.explained 4.blind 5.apologized 6.led 7.smoke 8.barked 9.fire engine 10.fireman

　　三、1.Elephant 2.Giraffe 3.Zebra 4.Owl 5.Lion

　　四、略

　　Listening

　　一、A.Max and Officer Smith B.police C.went missing D.Under a bush in a park E.a big hug

　　二、1.Dogs are loyal,caring,and smart.2.Dogs willdo many things to make us happy.三、I think dogs indeed are man's best friends.They are loyal to us and love us whole-heartedly.They can do many jobs for us and play important roles in our life,such as guide dogs,police dogs and rescue dogs.So I agree that dogs are man's best friends.

　　Grammar

　　一、1.myself 2.yourselves 3.themselves 4.himself 5herself 6.ourselves

　　二、1.in 2.beside/close to 3.on 4.below 5.under 6.above

　　Speaking and Writing

　　一、1—6 AAACCB

　　二、略

　　Focusing on culture

　　1.Dogs were domesticated to help hunting;sheep were domesticated to become a source ofmeat and provide wool for farmers to make clothes;cows were domesticated to provide people withmilk and meat.
       2.These animals provide us with food and help people live a better life.

　　3.People may starve to death or they would live a hard life.4.Maybe their genes will evolveagain as humans'needs change.