听下面一段独白,回答以下小题。
(1)
Why do killer whales attack boats according to the speaker?
A . To protect themselves.
B . To have some pleasure.
C . To get things from boats.
(2)
What happened on Sunday evening off the coast of Southern California?
A . A boat was missing.
B . A shark got injured.
C . A shark attacked a surfer.
(3)
Which country ranks third in terms of shark encounters in the talk?
A . The USA.
B . South Africa.
C . Australia.
答案: B
C
B