单项选择题
It is clear from the passage that coastal depth ______.
- 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
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相关考题
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单项选择题
Air transport industry is an area of commerce in which aircraft are employed to carry passengers, freight, and mail.
A．空中运输业是一种以雇佣飞机来运输乘客，货物和信件的一种商业贸易。
B．空运也是商业的一个领域，它就是用飞机运送乘客，货物及邮件。
C．空运业务是贸易领域中的一项业务，它可用飞机来载人，运货物和邮件。
D．航空运输业是一个商业领域，在这个领域中用飞机运送乘客，货物和邮件。 -
单项选择题
From the second paragraph of the passage we know that the power of very high waves striking the shore is ______.
A．constant
B．equalized
C．variable
D．perpetual -
单项选择题
According to the passage, destruction caused by high waves occurs ______.
A．regularly
B．rarely
C．always
D．predictably
