Camels are amazing animals. They aren’t the most beautiful animals in the world. But they are certainly the most useful animals in the hot areas such as North Africa and the Middle East. They usually help people carry things. Now let’s learn more about camels.

There are two kinds of camels on the earth. They are Arabian(阿拉伯的) camels and Asian camels. Arabian camels are dromedaries(单峰骆驼), but Asian camels are bactrians(双峰骆驼). An adult camel is about 2 metres tall and weighs about 500 kilograms. Its legs are long. And its feet are big and soft. Most of the camels can live for about 40 years, but they usually stop working when they are about 25.

Camels live alone in the desert. They aren’t afraid of the hot and cold weather. They mainly eat grass, leaves and bushes. They can walk for more than 600 kilometres without drinking. They only need to do drink water every six or eight days. But when there is water, they can drink up to 90 liters(升). Camels walk slowly. They don’t like running because it’s too hot. But if they need, they can run at 20 kilometres an hour.

Title

Ships of the desert

Age

Most camels can live for about 1. years.

They usually stop 2. at about 25.

3.

They are Arabian camels and 4. camels.

Feature

An 5. camel is about 2 metres tall.

Its legs are long and its 6. are big and soft.

Each weighs about 7. kilograms.

Lifestyle

They live8. in the desert such as North Africa and the Middle East.

They 9. on grass, leaves and bushes.

They only need to drink water every six or eight days.

They can drink up to 90 liters every time.

They walk 10., but they can run at 20 kilometres an hour.

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从 1 ~ 15 各题所给的 A、B、C 和 D 项中选出最佳选项,并在答题卡上将该项涂黑。

On January 27, in order to win the new pneumonia Resistance War(抗击新型肺炎战), the Ministry of Education issued(公布)a notice on______________off the start time of school in spring 2020.

However, many parents worry______________the delay of the start of school may affect children’s studies. If they have ______________a long winter vacation, children will not gain any knowledge, read books ______________study at all. They may forget what they______________before. Staying at home for a long time will make them keep eating, sleeping and playing. According to parents, it’s a terrible thing ______________seriously affects their children's physical and mental health.

In short, the close of school influences learning and ______________bad habits, so how should we avoid these problems? Local education departments have also issued a notice, that is,______________online teaching and create a network platform (平台), so students can learn at home ______________computer or mobile network.

This method can not only keep students indoors without worrying about the infection(感染) of the disease, but also make them _______________at home, improve their learning ability, and truly achieve “no suspension of classes(停学不停课)”. Both the _______________lesson resources and the platform itself are useful, and_______________ by parents and teachers.

Of course, it is also necessary to teach children about________________knowledge, especially tips on how to keep away from touching virus and some _______________popular science. At the same time, children should do exercises to keep _______________healthy at home.

1.A.puts B.putting C.put D.was put

2.A.who B.which C.what D.that

3.A.such B.so C.very D.quite

4.A.and B.or C.but D.so

5.A.has learned B.had learned C.have learned D.are learning

6.A.where B.which C.who D.how

7.A.develop B.developing C.develops D.developed

8.A.to organize B.organizes C.organizing D.organized

9.A.in B.without C.through D.on

10.A.to study B.studies C.studying D.study

11.A.recorded B.recording C.record D.records

12.A.welcome B.welcomes C.are welcomed D.is welcomed

13.A.healthy B.healthily C.healthier D.health

14.A.the other B.other C.others D.another

15.A.physics B.physical C.physically D.physician

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