ÌâÄ¿ÄÚÈÝ

°´ÒªÇóÍê³ÉÏÂÁоä×Ó£¬Ã¿¿ÕÒ»´Ê¡£
1. The boys used to swim in the river. (¸ÄΪ·ñ¶¨¾ä)
    The boys _____ _____ to swim in the river.
2. Li Lei learnt English all by himself. (¸ÄΪͬÒå¾ä)
    Li Lei _____ _____ English.
3. I used to go swimming in the summer vacation. (¸ÄΪһ°ãÒÉÎʾ䲢×÷¿Ï¶¨»Ø´ð)
    _____ you _____ _____ go swimming in the summer vacation?
    _____, I _____.
4. He used to play computer games.(¶Ô»­Ïß²¿·ÖÌáÎÊ)
    _____ _____ he _____ _____ do?
5. I like reciting poems! (¸ÄΪͬÒå¾ä)
    I _____ _____ of reciting poems!
1. didn't use  
2. taught himself    
3. Did, use to, Yes, did    
4. What did, use to
5. am fond
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

ÈÎÎñÐÍÔĶÁ£¨¹²5СÌ⣬ÿСÌâ2·Ö£¬¼Æ10·Ö£©

ÔĶÁ¶ÌÎÄ£¬²¢°´ÒªÇóÍê³ÉÏÂÁоä×Ó¡£

We know that many animals do not stay in one place£®Birds£¬fish and other animals move from one place to another place at a certain time£®They move for different reasons: most of them move to find food more easily£¬but others move to get away from places that are too crowded£®

When cold weather comes£¬many birds move to warmer places to find food£®Some fishes give birth in warm water and move to cold water to feed£®The most famous migration is probably the migration of fish£¬which is called ¡°salmon¡±£¨öÙÓ㣩£®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£®In northern Europe£¬there is a kind of mouse£®They leave their mountain homes when they become too crowded£®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(ÁúϺ)£®Every year£¬when the season of the 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 place£¬but at other times we don¡¯t£®Maybe living things just like to travel£®

1.The reason for most of the animals to move is __________________£®

2.Find the word in the passage which means ¡° the movement from one place to another of a large group of animals¡± and write it down here: __________________£®

3.The underlined word ¡°There¡± in the second paragraph refers to (Ö¸µÄÊÇ) ____________£®

4.The salmon comes back to its birthplace in order to __________________£®

5.The lobsters begin to move to another place when __________________£®

 

 

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø