更多"Even in fresh water sharks hunt and"的相关试题:
[单项选择]Even in fresh water sharks hunt and kill. The Thresher shark, capable of lifting a small boat out of the water, has been sighted a mile inland on the Fowey River in Corn-wall. Killer sharks swim rivers to reach Lake Nicaragua in Central America; they average one human victim each year.
Sewage and garbage attract sharks inland. When floods carry garbage to the rivers they provide a rich diet which sometimes stimulates an epidemic of shark attacks. Warm water generally provides shark food, and a rich diet inflames the shark’s aggression.
In British waters sharks usually swim peacefully between ten and twenty miles off- shore where warm water currents fatten mackerel and pilchards for their food. But the shark is terrifyingly unpredictable. One seaman was severely mauled as far north as Wick in Scotland. Small boats have been attacked in the English Channel, Irish Sea and North Sea.
Most of the legends about sharks are founded in ugly fact. Even a relatively small shark--a
A. It never sleeps.
B. It can only smell when moving.
C. If it stopped it would sink.
D. It must eat constantly.
[单项选择]
6
Even in fresh water sharks hunt and kill. The Thresher shark, capable of lifting a small boat out of the water, has been sighted a mile inland on the Fowey River in Corn wall. Killer sharks swim rivers to reach Lake Nicaragua in Central America; they average one human victim each year.
Sewage and garbage attract sharks inland. When floods carry garbage to the rivers they provide a rich diet which sometimes stimulates an epidemic of shark attacks. Warm water generally provides shark food, and a rich diet inflames the shark’s aggression.
In British waters sharks usually swim peacefully between ten and twenty miles off shore where warm water currents fatten mackerel and pilchards for their food. But the shark is terrifyingly unpredictable. One seaman was severely mauled as far north as Wick in Scotland. Small boats have been attacked in the English Channel, Irish Sea and North Sea.
Most of the legends about sharks are founde
A. salt water
B. fresh water
C. warm water
D. deep water
[单项选择]
Passage 6
Even in fresh water sharks hunt and
kill. The Thresher shark, capable of lifting a small boat out of the water, has
been sighted a mile inland on the Fowey River in Corn-wall. Killer sharks swim
rivers to reach Lake Nicaragua in Central America; they average one human victim
each year. Sewage and garbage attract sharks inland. When floods
carry garbage to the rivers they provide a rich diet which sometimes stimulates
an epidemic of shark attacks. Warm water generally provides shark food, and a
rich diet inflames the shark’s aggression. In British waters
sharks usually swim peacefully between ten and twenty miles off- shore where
warm water currents fatten mackerel and pilchards for their food. But the shark
is terrifyingly unpredictable. One seaman was severely mauled as far north as
Wick in Scotland. Small boats have been att A. salt water B. fresh water C. warm water D. deep water
[填空题]Even if you have electricity and water, you still cannot produce hydrogen everywhere.
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