下面文章中有五处需要添加首句。请从以下选项(A、B、C、D、E和F)中选出符合各段意思的首句。选项中有一项是多余选项。

Should We Keep Animals In Zoos?

Zoos are popular places in communities around the world. They're places where people can learn about wild animals by seeing them up close. Some people, though, believe zoos aren't good for animals. They think wild animals should only live in the wild.

1.

Wild animals have been kept in cages for thousands years. Over time, people began speaking out about the practice of keeping animals in zoos. The rise of animal rights movement and groups have led many to question whether or not zoos are right.

2.

Zoos provide care for animals that they wouldn't receive in the wild. Animals are fed a healthy diet in zoos. Also, zoos have veterinarians who provide medical care for hurt or sick animals that would often be left to die in the wild. In some cases, zoos help animals to live longer.

3.

Though many animals live longer in zoos, some mammals live longer in the wild. Elephants live near twice as long in the wild as they do in zoos. Scientists believe the causes for this include elephants in zoos becoming stressed and depressed when they are forced to live in small spaces.

4.

It may seem like a good thing that zoos set animals back into the wild, but there are often problems with this practice. Zoo animals don't learn hunting skills since they are fed by zookeepers. They also have no idea to stay away from predators, cars or hunters in the wild.

5.

How much do zoos actually teach people about animals? A 2014 study showed that only 1000 out of 3000 children who visited a zoo learned something new. Groups such as PETA believe the biggest thing children learnt at zoos is that it's fine to keep animals in cages instead of in the wild.

A. Unable to go back

B. Caring for animals

C. Animals in the world

D. Spiritual problems

E. Rise of animal rights

F. The wrong lessons

Read the passage and fill in the blanks with proper words.

A local primary school is considering using tablet computers(平板电脑)in all classrooms from next year. The following text has been written by a teacher at the school.

Should we use tablet computers in the classroom?

The use of tablet computers(or simply“tablets”)in the classroom has become an increasingly popular choice in many primary schools across the country, including many in our local area. It is important that we consider this opportunity, but we must also be a 1. of the problems.

On one hand, there are many a2.to use tablets in the classroom.

Firstly, tablets could improve productivity( 效 率 )during the school day. Because of their familiarity with computers and mobile phones, many of our students can type faster than they can write by hand. T3. , using tablets in the classroom could reduce the time it takes for them to complete tasks. Additionally, there are endless tablet functions(功能)which could provide interesting teaching a4.. For example, we could play computer games to teach Maths, or make simple flashes to show how magnets behave. Also, students could take photos outdoors and then use them for writing tasks.

However, we must also consider the possible problems with introducing tablets to our classrooms. Some students may play with the tablets instead of f 5. on their work. Another problem is that, while many students can use tablets already, many of our teachers are not good at it and would need to be trained. We may also have problems with the tablets breaking, which would be very expensive to r6. . This is in addition to the cost of buying the tablets in the first place.

All in all, even though using tablets in the classroom may have many problems, it seems that it would be a wonderful opportunity for students and teachers at our school. There are a lot of costs indeed, but it would c7.prove to be a worthwhile investment(物有所值的投资).

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