It can be inferred from the passage that tsunamis ________ .
A. are often identified by ships on the ocean
B. generally reach heights greater than 40 meters
C. are far more dangerous on the coast than in the open ocean
D. cause severe damage in the middle of the ocean
* Đáp án
C
* Hướng dẫn giải
Đáp án C Dẫn chứng: In the open ocean, tsunamis have little noticeable amplitude, often no more than one or two meters. It is when they hit the shallow waters near the coast that they increase in height, possibly up to 40 meters