Ⅰ. Choose the best answer.
1. How do cows feel when they leave other cows?
D
A. Relaxed.
B. Disappointed.
C. Excited.
D. Uncomfortable.
2. The underlined word "social" probably means "liking ______ other cows".
A
A. making friends with
B. fighting against
C. making enemies of
D. arguing with
3. Which of a penguin couple hatches their baby?
B
A. Neither.
B. Both.
C. None.
D. All.
4. Crocodiles eat food whole because they ______.
B
A. don't have any teeth
B. can't chew with teeth
C. dislike eating slowly
D. have been too hungry
5. The plant the pregnant elephant ate could possibly ______.
D
A. help her produce milk for her baby
B. be elephants' favourite daily food
C. be the only food she could feed on
D. prevent her from feeling any pain
