Ⅷ. 阅读短文,选择合适的选项还原到文中,使文章完整通顺。(有一个多余选项)
We live on Earth. It's our home. But how much do you know about it?
1.
There are eight planets in the solar system. Earth is like a huge ball in space. It's the third nearest one to the Sun. 2. It takes Earth about 365 days to travel around the Sun.
At the same time, Earth is spinning(旋转) itself. Do you know what the Earth's surface is like? 3. Through the clouds, you can see the blue colour of the oceans, and the brown colour of the land. About 70% of Earth is covered with water.
4. When the half of Earth is facing the Sun, it's daytime. As Earth turns, this half is away from the Sun. Then night is coming. And it's daytime for the other half.
A. Like the other seven planets, Earth is travelling around the Sun.
B. Why do we have day and night?
C. Let me tell you something about our Earth.
D. How does Earth run around the Sun?
E. If you are in space, you can see lots of clouds over the Earth's surface.

1. C 2. A 3. E 4. B

【分析】
首先通读全文，明确文章主旨是介绍地球的相关知识，需结合每个空的上下文语境，分析句子间的逻辑衔接关系，如引出句、过渡句、问答对应关系等，逐一匹配选项。
【解析】
1. 第1空：前文提出“我们对地球了解多少”的疑问，后文开始介绍地球的相关内容，C选项“让我告诉你关于我们地球的一些事”起到承上启下的作用，引出下文，故选C。
2. 第2空：后文提到“地球绕太阳转一圈大约需要365天”，A选项“像其他七颗行星一样，地球绕太阳转”与后文内容衔接，说明地球公转的基本情况，故选A。
3. 第3空：前文询问“地球表面是什么样的”，后文提到“透过云能看到海洋和陆地的颜色”，E选项“如果你在太空，能看到地球表面有很多云”符合语境，回答了地表的相关特征，故选E。
4. 第4空：后文解释了白天和黑夜的形成原因，B选项“为什么我们有白天和黑夜？”引出下文对昼夜交替原因的说明，故选B。
【答案】
1. C 2. A 3. E 4. B
【知识点】
英语阅读理解（句子还原）、说明文阅读
【点评】
本题为说明文句子还原题，主要考查学生对文章逻辑衔接和上下文语境的理解能力，需理清段落间的逻辑关系，找准句子的衔接点，属于基础题型。
【难度系数】
0.6