题目内容

We don't know ________, perhaps in the afternoon.

A.
how to start
B.
when to start
C.
where to start
D.
when start

B
点拨：此题考查“特殊疑问词+动词不定式”这个句型。由in the afternoon可知用when。

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相关题目

根据短文内容补全单词（首字母已给出）

Miss Zhang is Li Ming's English teacher. She t________ the class to c________ the numbers from one t________ one thousand. She asks us how f________ it is f________ China to Canada, but we don't k_______. She says it's a________ eight thousand five hundred k________ We I________ in Shijia-zhuang China, but Jenny I________ in Canada. She wants to come to Beijing. Do you know how she comes, by plane or by train?

【小题1】The car is too e__________, we don’t want to buy it.
【小题2】 The box is very h______. I can’t carry it.
【小题3】The boy doesn’t like studying and he didn’t pass the e_____.
【小题4】We went to the History M______ on vacation.
【小题5】 Let’s look at the m______ and order the food.
【小题6】The food looks d_______. I want to have a taste.[来源:Z*xx*k.Com]
【小题7】This is the r_______ why I am late this morning.
【小题8】How about s______ at home and watching TV?
【小题9】She saw an interesting t_____ show on TV last night.
【小题10】You can d______ it with your classmates if you have any questions

根据所给的首字母提示，完成短文。

Yesterday I visited the Baihai Zoo．I was s 1. to find few people there．Zoos are very important places．They p 2. homes for many endangered animals．They also help to educate the public about caring f 3. them．If we don’t s 4. our zoos, they won’t have e 5. money to take care of so many fine animals．Therefore, people should go and visit the zoos m 6. often to learn about animals and help to protect them better．

H 7. , some people don’t think so．They think zoos are t 8. places for animals to live．“I’ve visited a lot of zoos in my life, and I have never seen o 9. I liked or one that was suitable for animals to live in．” Jenny said．‘The animals are k 10. in small cages and can hardly move at all．What’s more, they are only given food once a week．That’s terrible．”

1.The car is too e__________, we don’t want to buy it.

2. The box is very h______. I can’t carry it.

3.The boy doesn’t like studying and he didn’t pass the e_____.

4.We went to the History M______ on vacation.

5. Let’s look at the m______ and order the food.

6.The food looks d_______. I want to have a taste.[来源:Z*xx*k.Com]

7.This is the r_______ why I am late this morning.

8.How about s______ at home and watching TV?

9.She saw an interesting t_____ show on TV last night.

10.You can d______ it with your classmates if you have any questions.

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 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（迁移）is probably the migration of the fish which is called “salmon”.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 bccome too crowded. They move down to the low land. Sometimes they move all the way the seadide,and many of them are killed when they fall into the sea.[来源:Zxxk.Com]

Recently, scientists have studied the migration of kind of lobster（龙虾）.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 know where they go.[来源:Z。xx。k.Com]

So,sometimes we know why humans and animals move from one place to another,but at other times we don’t. Maybe living things just like to travel.

1..Most animals move from one place to another at a certain time to _____

A.give birth B.enjoy warmer weather C.find food more easily

2.The fish called “salmon”spends a long time in____

A.salt water B.rivers C.fresh water

3.The mice in northern Europe move when_____

A.they give birth B.the place gets too crowded

C.they haven’t enough food

4. The lobsters move_______.

A.to the fresh water B.at a certain time C.to find more food

5.What is the main idea of the passage?

A.Animals move to find food more easily.

B.The migration of the fish called“salmon”is the most famous migration.

C.Sometimes we know why and how living things move from one place to another,but sometimes we don’t.

We don't know ________, perhaps in the afternoon.

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