2019学年度人教版选修八Unit 5Meeting your ancestorsPeriod5 Using Language基础知识综合作业

Ⅰ. 单句语法填空

1. Hearing the bell ring, all the children ran out of the classroom gaily(gay).

2. He deleted(delete) the files but he didn't mean to.

3. I could hear the wolves howling(howl) in the forest.

4. The police have arrested(arrest) almost everybody who is involved in the murder so far.

5. The water supply has been cut off temporarily because the workers are repairing(repair) one of the main pipes.

6. Wrinkles(wrinkle) are lines which form on someone's face as they grow old.

7. The bear didn't have a problem with me scratching(scratch) her back.

8. The Shard seems a symbol of the division(divide) in society between the very rich and the poor.

9. After he got up, Mr Twist felt much dizzier(dizzy).

10. Sue is determined to do such a thing regardless of all consequences.

Ⅱ. 单词拼写

1. Our present task is to accelerate(加速) economic development.

2. We all know the significance(重要性) of forming a good habit.

3. As we all know, radium is a radioactive(放射性的) element.

4. There are several scratches(划痕) on the side of your car.

5. I advise you should delete(删除) the information posted last Sunday on your blog.

6. Mr Green is making a systematic(系统的) study of adolescence problems.

7. All of a sudden, an unusual noise arrested(引起)her attention.

8. Paul is a skillful(熟练的) worker. He deserves a high pay.

9. Upon hearing the news, she gave a gay(欢快的) laugh.

10. All the people present at the meeting stood up and applauded(为......鼓掌) the lecturer.

Ⅲ. 阅读理解

Zhoukoudian is a small village situated about 50 kilometers to the southwest of Beijing. In the 1920s, archaeologists discovered some prehistoric human bones there which changed people's view of China's history. They came from an unknown species of man and were the first evidence of human life in China thousands of years ago. The remains were three teeth!

In 1929, a complete skull was also discovered. Eventually, archaeologists found almost 200 items, including six skulls and more than 150 teeth. These discoveries proved the existence of a human species that lived in the area between 700, 000 and 200, 000 years ago. Four sites where Beijing Man and his relatives lived were discovered on the northern face of Longgushan. They lived in the caves in the area.

However, the life span of Beijing Man was short. About 70% of the people probably died before the age of 14. Fewer than 5% lived to the age of 50. Ashes were found