题目内容：

The Most Useful Inventions

 

1._____ needs some ideas about the most useful invention.

A．Jorge

B．Cindy Wu

C．Barbara

D．Kazuo

2.Cindy Wu thinks the air conditioner _____.

A．is useful in summer

B．makes people sick

C．is terrible

D．is cheaper

3.Jorge thinks that the Internet is the most important invention because_____.

A．it uses electricity

B．it helps him do business

C．he can buy things from all over the world

D．it is man-made

4.______ is the most useful invention in Kazuo’s opinion.

A．Phone

B．Car

C．Internet

D．Electricity