Smart Windows

Function(功能)

They can change from clear to dark and black again when people {#blank#}1{#/blank#} them.

Some Facts

●They can make the world a {#blank#}2{#/blank#} and comfortable place.

●People could {#blank#}3{#/blank#} make the windows less bright to stay cool.

●Most people spend about {#blank#}4{#/blank#} percent of their time indoors.

●They {#blank#}5{#/blank#} of smart windows could mean that more energy can be saved.

Information about the English party

When is the party?

1.

Where is the party?

2.

What does he／she do?

Wang Hai：3.

Mr Wei：Give a talk.

Zhao Ming：4.

Lucy and Nancy：5.