Michael: They are testing the 3D printer. Don’t you come and see it?

Lucas: What? Never heard of it.

Michael: It is one of the most latest technological?innovations.

Lucas: Really?(1)_________.

Michael: Come on! You should learn to be?open-minded.

Lucas: (2)_________.

Michael: The 3D printing technology could be used in construction, engineering, biomedicine, and many other fields. It can print anything, a house, a car, even a liver!

Lucas: That can’t be true.I will never believe this.

Michael: (3)_________. All these will be absolutely carried out by 3D printers. There’ s a company called Natural Machines has introduced a 3D printer for food producing.

Lucas: I guess that there are a lot of procedures involved in this process. So this printer must be very big.

Michael：(4)_________. It can print all kinds of dessert and starter.

Lucas: Is it expensive?

Michael：(5)_________.

A.It is about $. 1, 000

B.Maybe its functions are questionable

C.It is really true.

D.What are the main functions of it?

E.In fact, it is as big as an oven