五、选词填空,补全句子。(每词限用一次)
1. is our home planet.
2. Earth around the Sun.
3. We can see the Sun and clouds in the .
4. At night, we can see many in the sky.
5. There are large on Earth.
Earth daytime stars
oceans travels

1. Earth 2. travels 3. daytime 4. stars 5. oceans

六、给下列句子选择正确的答语。
()1. What can you see in the sky at night?
()2. Where do we live?
()3. What does Earth look like from outer space?
()4. What travels around Earth?
()5. When can we see planes in the sky?
A. We live on Earth.
B. It looks like a big blue marble.
C. We can see the Moon and stars.
D. In the daytime.
E. The Moon and satellites.

1. C 2. A 3. B 4. E 5. D

七、[跨学科融合]Linda 通过阅读科普材料,了解到太阳、地球、月球和星星的大小差异。阅读材料,完成下列任务。
Every day, the Sun rises up and goes down. Then the Moon rises up and goes down. We can see the Sun, the Moon and the stars. And all of them exist(存在) in the universe. The Sun is much bigger than Earth and Earth is much bigger than the Moon. But sometimes we may feel that they are the same size. This is because the Sun is far away from us, and the Moon is near us.
At night, when you look up into the sky, you will see the Moon. There is no water or air on it and nobody can live there. You may find the Moon is bigger than the stars. But actually, some stars are even bigger than the Sun.
任务一:根据材料内容,选择正确的答案。
()1. Earth is than the Sun.
A. bigger B. smaller C. longer
()2. Why do the Sun and the Moon look the same size?
A. Because the Sun is bigger.
B. Because the Moon is bigger.
C. Because the Sun is far from us and the Moon is near us.
()3. Which sentence is WRONG?
A. The Moon is much smaller than Earth.
B. The Moon is much bigger than the Sun.
C. The Moon looks bigger than the stars.
任务二:根据材料内容,回答问题。
Can people live on the Moon? Why?

任务一:1. B 2. C 3. B
任务二:No, they can't. Because there is no water or air on it.