A．allow
B．grant
C．permit
D．donate

Which of the following questions is answered according to the information given in the passage？
A．What is the toxin used by the fish killer？
B．Who first discovered the organism？
C．How does the fish killer paralyze fish？
D．How many fishes can the organism kill each day？

Which of the following statements is true？
A．Scientists have solved the mystery about the fish killer.
B．More studies need to be made about the fish killer.
C．It is proved that the algae are reducing fish populations.
D．Humans have already been affected by the toxin.

Why does the man go to see his professor？
A．To borrow some books for his project
B．To hand in the first book report
C．To ask about the professor's requirements
D．To talk about literary movements

Researchers think that it is______.
A．safe to eat fresh fish
B．dangerous to get close to the algae
C．safe to be near the algae
D．dangerous to expose the algae

The word "prompted" underlined in Paragraph 3 means______.
A．stimulated
B．attracted
C．annoyed
D．shocked