（1）When is World Water Day？
A.On March 2.
B.On March 12.
C.On March 22.
（2）Why is water pollution becoming serious in the speaker's hometown？
A Because many fish in the river have died.
B.Because factories put waste water into the river.
C.Because people swim and wash clothes in the river.
（3）According to the speakers，how many things can people do to protect and save water？
A.Two.
B.Three.
C.Four.
（4）Why does the speaker give this speech？
A.To let people learn about the speaker's hometown.
B.To call on more people to protect and save water.
C.To teach people how to get clean drinking water.