( )13.
( )14.
( )15.
C
( )14.
A
( )15.
B
答案：13.C 14.A 15.B
( )16. What did scientists want to know from the experiment?
( )17. When did scientists give dogs food?
( )18. What did dogs do when they saw a different colour?
( )19. Which of the following sentences about the monkeys is TRUE?
( )20. Which sentence is TRUE according to the text?
B
( )17. When did scientists give dogs food?
B
( )18. What did dogs do when they saw a different colour?
C
( )19. Which of the following sentences about the monkeys is TRUE?
A
( )20. Which sentence is TRUE according to the text?
C
答案：16.B 17.B 18.C 19.A 20.C
请看下面的情景提示:
我最喜欢黄色,因为黄色代表智慧。
(1)
(2)
我最喜欢黄色,因为黄色代表智慧。
(1)
I like yellow best.
(2)
Because it represents wisdom.
答案：(1) I like yellow best.
(2) Because it represents wisdom.