A. Their similarities.

B. Their uniqueness.

C. Their difficulty to find.

D. Their compact size.

10.

A. Many tourists are happy for wealthy movie stars.

B. Many tourists respect wealthy movie stars.

C. Many tourists want to live like wealthy movie stars.

D. Many tourists secretly dislike wealthy movie stars.

11.

A. wild animals

B. Disneyland

C. famous people

D. the ocean