Robbie looks out of the window.It's still snowing heavily and there is ice on the window.It is another day.Robbie is told to do the cleaning.And he does it.The family are getting home. （1）

B

B

All of the housework is easy for Robbie，but a hard one for its master，Helen.Robbie really saves the family a lot of work.
   Mr.Green is a fourth grade robot teacher. （2）

A

A

He even knows each child's pets and hobbies.He has his lessons in an orderly way，and he never feels tired.The children like Mr.Green very much. （3）

E

E

When they make a mistake，they don't feel upset.They have a lot of fun with a robot teacher.
   ASIMO is a clever robot created by the Honda Motor Company.He is about 120 centimeters tall and looks like a kid in a spacesuit.Tiny computers are used to control the things ASIMO can do.He can shake hands with people，give and receive objects.He can walk and run forward or backward on two legs.（4）

C

C

When something is in his way，he can change directions.
   Robots are smart because they have computer brains.Some of them have explored other planets. （5）

D

D

For example，robots are used to make cars.People also use robots to do dangerous work such as exploring volcanoes（火山） or the ocean floor.Robots are also used to give directions in shopping centers and amusement parks.
   Scientists keep finding more ways for robots to help us.

根據材料內容，從下面五個選項中選出能填入文中空缺處的最佳選項，使短文意思通順，內容完整。
A.He never forgets details and he makes no mistakes.
B.So after he turns the heat on，he begins to cook supper for the family.
C.Besides，he can also talk and understand many voice commands（指令）.
D.These machines also do many jobs in factories and other places.
E.They feel happy and relaxed in his class.