四、阅读理解，完成任务。
Some scientists were working in a spaceship in outer space. The scientists looked out of the window. They could see the planet Earth. It looked like a blue and white ball.

Now we have many photos of our planet from outer space. Some scientists used very powerful cameras. The photos were very clear. The scientists were surprised at what they saw. What did they see? Can you guess?
In the photos, they saw land, blue sea and white clouds. Some scientists said they could see a long, dark line on the yellow earth. They thought it was the Great Wall of China! Do you think so?
A. 根据短文内容填空，回答问题。
1. What could the scientists see when they looked out of the window?
They could see the .
2. What did the earth look like?
It looks like a and .
3. What did the scientists use to take photos in outer space?
They used .
4. How were the photos?
The photos were .
5. What did they see in the photos?
They , and .
6. Why were the scientists surprised?
Because they could see a , , they it was the .
B. 根据短文内容进行复述。
Do you want to know outer space? That must be amazing! Some scientists were w in a spaceship in outer space. They looked o of the window. They could see the planet E. It looked like a b and w ball. Look! These were the photos of our planet from outer space. Some scientists used very powerful c. The photos were very clear. What's in the photo, can you guess? We could see l, blue sea and white clouds. And some scientists could see a l, dark line on the yellow earth. They thought it was the G W of China. Are you proud(自豪的) of it?

A. 1. planet Earth 2. blue, white ball 3. very powerful cameras 4. very clear 5. saw land, sea, clouds 6. long, dark line, thought, Great Wall
B. working, out, Earth, blue, white, cameras, land, long, Great, Wall

【解析】
A部分：
1. 根据短文第一段“The scientists looked out of the window. They could see the planet Earth.”可知答案。
2. 根据短文第一段“It looked like a blue and white ball.”可知答案。
3. 根据短文第二段“Some scientists used very powerful cameras.”可知答案。
4. 根据短文第二段“The photos were very clear.”可知答案。
5. 根据短文第三段“In the photos, they saw land, blue sea and white clouds.”可知答案。
6. 根据短文第三段“Some scientists said they could see a long, dark line on the yellow earth. They thought it was the Great Wall of China!”可知答案。
B部分：
1. 从“Some scientists were working in a spaceship in outer space.”提取working；
2. 从“The scientists looked out of the window.”提取out；
3. 从“They could see the planet Earth.”提取Earth；
4. 从“It looked like a blue and white ball.”提取blue；
5. 同上提取white；
6. 从“Some scientists used very powerful cameras.”提取cameras；
7. 从“In the photos, they saw land, blue sea and white clouds.”提取land；
8. 从“Some scientists said they could see a long, dark line on the yellow earth.”提取long；
9. 从“They thought it was the Great Wall of China!”提取Great；
10. 同上提取Wall。
【答案】
A. 1. planet Earth
2. blue, white ball
3. very powerful cameras
4. very clear
5. saw land, sea, clouds
6. long, dark line, thought, Great Wall
B. working, out, Earth, blue, white, cameras, land, long, Great, Wall
【知识点】
细节信息提取、词汇拼写运用、短文内容复述
【点评】
本题为英语阅读理解题，主要考查学生从短文中定位提取细节信息的能力，以及词汇的拼写和运用，同时通过科普类短文拓展学生视野，难度适中，适合巩固基础阅读技能。
【难度系数】
0.85