（1）How long has Mike lived in the ocean？
A.More than 40 years.
B.More than 50 years.
C.More than 60 years.
（2）Many of blue whales are dying from

.
A.hunger
B.illness
C.plastic
（3）Why do many blue whales have plastic in their stomachs？
A.Because they think plastic is food.
B.Because they want to keep warm.
C.Because they like to eat plastic.
（4）Which of the following is TRUE according to the passage？
A.Mike is a dolphin that lives in the ocean.
B.Over 90%of the world's plastic doesn't get recycled.
C.Blue whales might be easily caught by humans.
（5）What can we learn from the passage？
A.Humans should provide blue whales with more food.
B.Humans should stop using too much plastic.
C.Humans should stop eating blue whales.