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Sharks in Australia 讲座

Question：

1 2 3 4 5 6 7 8 9

Question 1

正确答案： 795

解析：原文音频：

Sharks vary in weight with size and breed, of course, but the heaviest of sharks caught in Australia was a White Pointer that weight seven hundred ninety - five kilograms - quite a size!
Question 2

正确答案： tail|TAIL

解析：原文音频：

And the tail also helps the shark move forward quickly.
Question 3

正确答案： floor/bed/bottom|floor|bed|bottom|FLOOR|BED|BOTTOM

解析：原文音频：

Mostly, they swim at the bottom of ocean, scavenging and pick up food that's lying on the ocean floor.
Question 4

正确答案： sense of smell|SENSE OF SMELL

解析：原文音频：

They have very acute sense of smell - and can sense the presence food long before they can see it.
Question 5

正确答案： A

解析：原文音频：

As a result, they have introduced a beach - netting program, beach - netting or meshing involves setting large nets parallel to the shore.
Question 6

正确答案： A

解析：原文音频：

At around the same time, South Africa introduced meshing to some of its most popular swimming beaches.
Question 7

正确答案： B

解析：原文音频：

And since that time, the average annual catch has been only about a hundred and fifty a years.
Question 8

正确答案： B

解析：原文音频：

The majority of sharks are caught during the warmest months, from November to February, when sharks are most active and when both the air and the ocean are at their maximum temperature.
Question 9

正确答案： B E

解析：原文音频：

But meshing does appear to be less effective than some other methods, especially when there are big seas with high rolling waves and strong currents and anything lets the sand move - the sand that's holing the nets down when this moves the nets will also become less effective.

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