5．
阅读短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。
We
all live on Earth and enjoy our life every day, but you may not be aware of
all the fun and interesting facts about the Earth.
The
Earth is not round. Do you think the Earth is round? Wrong! Well, it is not
completely round.
The
Earth is really old. Grandma and Grandpa are old, but the Earth is much older.
Scientists think that the Earth is about 4. 5 to 5 billion (十亿) years old.
Much
of the Earth is water. About 70% of the Earth is water, and only about 30% of
the Earth is land.
Earthquakes
happen all the time. Do you know that the Earth has earthquakes all the time?
But most of the time, the earthquakes are very small and humans cannot even
feel them.
Mount
Qomolangma is the highest mountain. There are many mountains on Earth, but
Mount Qomolangma is the highest mountain on Earth.
There
are so many interesting and fun facts about the Earth, Be sure to check out the
sources and see how much you can learn about our awesome (令人惊叹的) planet—the Earth!
