According to the passage, destruction caused by high waves occurs ______. It is clear from the passage that coastal depth _____

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问题 According to the passage, destruction caused by high waves occurs ______.
It is clear from the passage that coastal depth ______.

选项 A、is the only factor influencing the strength of high waves
B、influences the power of high waves
C、has no influence upon the strength of very high waves
D、is irrelevant to the question of the power of high waves

答案B

解析 本题为细节题。第一段最后一句"As a wave gets closer to land,the shallow bottom helps reduce its strength."可知随着海浪向岸边推进,浅滩就会削弱它的力量,因此海岸的深浅会影响海浪的力量,即选项B。
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