（1）Why are the machines so important and necessary for us？
A.Because they are cheaper.
B.Because they can help us do things better and faster.
C.Because they are stronger than us.
（2）What can a washing machine help us do？
A.Wash clothes quickly.
B.Wash dishes quickly.
C.Wash the floor quickly.
（3）Which machine helps us travel fastest？
A.A train.
B.A car.
C.A plane.
（4）What is a wonderful machine according to the passage？
A.The washing machine.
B.The computer.
C.The car.
（5）What should we do if we want to build China into a modern country？
A.We should use all kinds of machines well.
B.We should make machines.
C.We should read many books.