单项选择题

According to the passage, natural sounds include all of the following EXCEPT

A．sounds made by animals themselves.
B．ocean drilling.
C．underwater earthquakes.
D．the breaking of ice fields.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following is true of whales
A．They won't be confused by noises.
B．They are deaf to noises.
C．Their ability to reproduce will be lowered by high-level noises.
D．Their hearing will be damaged by high-level noises.
单项选择题
The word lands in the last sentence could best be replaced by
A．"soil".
B．"earth",
C．"countries".
D．"parts".
相关试题