听录音,回答问题。
(1)
What will control the tree house's temperature?
A . The roof.
B . The leaf.
C . The soil.
(2)
What is the most important design of a lizard house?
A . Changing colors.
B . Collecting sunlight.
C . Producing energy.
(3)
Why can the chimney be a useful air conditioner?
A . It is deep under the ground.
B . It is easy for hot air to flow out.
C . It allows cool air to come in easily.
答案: C
A
B