We know that many animals do not stay in one place . Birds, fish and other animals move from one place to another at a certain time. They move for different reasons: most of them move to find food easily, but others move to get away from places that are too crowed.
When cold weather comes, many birds move to warmer places to find food. Some fish give birth in warm water and move to cold water to feed. The most famous migration(遷移) of the fish, which is called “salmon(大馬哈)”. This fish is born in fresh water but it travels many miles to salt water. There it spends its life. When it is old, it returns to its birthplace in fresh water. Then it gives birth and dies there. In northern Europe, there is a kind of mouse. They leave their mountain homes when they become too crowed. They move down to the low land. Sometimes they move all the way to the seaside, and many of them are killed when they fall into the sea.
Recently, scientists have studied the migration of a kind of lobster(龍蝦). Every year, when the season of bad weather arrives, the lobsters get into a long line and start to walk across the floor of the ocean. Nobody knows why they do this, and nobody knows where they go.
So, sometimes we know why humans and animals move from one place to another, but at others times we don’t. Maybe living things just like to travel.
Migrations
Some birds
小題1:_______ when cold weather comes
Some fish
Give birth in小題2:______and move to ______ to feed
A kind of mouse
小題3:________ when they become too crowed.
小題4:_________
Walk across the floor of the ocean when the season of 小題5: _______

小題1:move to warm places to find food
小題2:warm water, cold water
小題3:leave their mountain homes
小題4:a kind of lobster
小題5:bad weather arrives

試題分析：這篇短文主要介紹了魚鳥等動物會在特定的時期從一個地方遷徙到另一個地方，他們遷徙有不同的原因：有的是為了尋找食物，有的是因為所居住的地方太擁擠。
小題1:根據(jù)第二段When cold weather comes, many birds move to warmer places to find food.故填move to warm places to find food
小題2:根據(jù)第二段Some fish give birth in warm water and move to cold water to feed.故填warm water, cold water
小題3:根據(jù)第二段In northern Europe, there is a kind of mouse. They leave their mountain homes when they become too crowed故填leave their mountain homes
小題4:根據(jù)總結(jié)和和第三段，故填a kind of lobster
小題5:根據(jù)第三段Every year, when the season of bad weather arrives, the lobsters get into a long line and start to walk across the floor of the ocean.故填bad weather arrives
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