27. Be aware of possible tsunamis if you live in coastal areas. These are also called as___ sea waves.
(A) water
(B) beach
(C) seismic
(D) tremor
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統計: A(26), B(52), C(170), D(132), E(0) #2902666
統計: A(26), B(52), C(170), D(132), E(0) #2902666