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有人说“无风不起浪”，也有人说“无风三尺浪”，请为他们做判官。所谓“风大浪高”是一定的吗？简述风与风浪成长间的关系。

答案

参考答案：

各自有理。前者说的为风浪，后者为涌浪。风大不一定浪高，因为还要受风时风区的限制。

解答题
解方程：
（1）3x+1=2x-5      
（2）
x+2
3
-1=
x-1
2
．
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单项选择题

In June of 1973, nine whales beached on the Florida coast. Beaching means swimming out of the ocean onto the beach, and usually dying there. No one knows why they do it, but a number of whales beach themselves every year. Some people think beaching is an accident.
Perhaps the whales get confused. Scientists who studied the beaching of three dozen whales in Australia think the whales may have been confused by loud noises, Whales can tell where they are by sounds. They send out sounds and listen as they travel past or bounce off objects. Two days before these thirty-six whales beached, loud guns had been fired for two hours. The loud sounds may have confused the whales. Their confusion might have caused them to wander into low water.
Whatever the reason whales beach, it is a sad event. People try to save them, but very few beached whales live. One whale that was rescued from beaching in Florida lived for forty-five days. That is the longest a beached whale has ever survived. And it lived that long only because it got attention from doctors.
All over the world, scientists rush to whale beachings as soon as they hear about them. They hope to learn why whales beach, and how to save them.

To make the point that beached whales do not survive, the author uses _______.

A．the opinions of famous people

B．a vivid word picture

C．an example

D．a firsthand story
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