中考英语内容包含听力、阅读例句、完型填空、写作等多个部分，其中，中考英语阅读理解所占的比重是很大的。想要在中考英语中拔得头筹，千万不能忽视阅读理解部分的练习。

The Earth is the third planet from the Sun and the only planet known to have life on it. It is the fifth largest planet in the solar system and has a diameter of about 12,756 kilometers. The Earth's surface is made up of land and water, with about 29.2% of the surface land and the rest covered by water.

The Earth's atmosphere is essential for life to exist. It provides us with the air we breathe and protects us from harmful radiation from the Sun. The atmosphere also helps to regulate the Earth's temperature, making it suitable for life.

The Earth rotates on its axis once every 24 hours, causing day and night. It also revolves around the Sun, taking approximately 365.25 days to complete one orbit. This movement of the Earth results in the change of seasons.

The Earth's resources are finite, and it is important for us to conserve and protect them. We must also take care of the Earth's environment to ensure a sustainable future for all living beings.

Questions:

1、How many planets are there in the solar system that are larger than the Earth?

A. Four

B. Three

C. Two

D. One

2、What percentage of the Earth's surface is covered by water?

A. 29.2%

B. 70.8%

C. 50%

D. 100%

3、What does the Earth's atmosphere do for us?

A. It provides us with water.

B. It gives us harmful radiation.

C. It regulates the Earth's temperature.

D. It rotates the Earth on its axis.

4、How long does it take for the Earth to complete one orbit around the Sun?

A. 24 hours

B. 365 days

C. 365.25 days

D. 730 days

5、Why is it important for us to conserve and protect the Earth's resources?

A. To make money.

B. To ensure a sustainable future.

C. To rotate the Earth faster.

D. To cover more of the surface with land.

答案分析：

1.A

依据文章第一段的描述，“It is the fifth largest planet in the solar system”，地球是太阳系中第五大的行星，因此比地球大的行星有四个，所以答案是A。

2.B

文章第一段提到“with about 29.2% of the surface land and the rest covered by water”，地球表面大约29.2%是陆地，其余部分被水覆盖。因此，水覆盖的部分是100% - 29.2% = 70.8%，所以答案是B。

3.C

文章第二段提到“The atmosphere also helps to regulate the Earth's temperature, making it suitable for life.”，大方层能够帮助调节地球的温度，使其合适生命存在。因此，大方层有哪些用途是调节地球温度，所以答案是C。

4.C

文章第三段提到“It also revolves around the Sun, taking approximately 365.25 days to complete one orbit.”，地球围绕太阳公转，大约需要365.25天完成一次公转。因此，答案是C。

5.B

文章最后一段提到“We must also take care of the Earth's environment to ensure a sustainable future for all living beings.”，大家需要保护地球的环境，以确保所有生物有一个可持续的将来。因此，保护和节省地球资源是为了确保可持续的将来，所以答案是B。