五、阅读理解。
A

( ) 21. The underlined word “adjust” in Paragraph 2 means ______.
A. change
B. test
C. sense
D. divide
( ) 22. What can we learn from the passage?
A. Smart houses can change our feelings.
B. Robots can do everything for us.
C. Flying cars will be popular.
D. We will have less free time.
( ) 23. Which is the best title for this passage?
A. Robots in the Future
B. Life in the Future
C. Smart Houses in the Future
D. Transportation in the Future
( ) 24. What's the writer's attitude（态度）towards life in the future?
A. Hopeful.
B. Afraid.
C. Sad.
D. Angry.

A
; C
; B
; A