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二、当大地撕开一道壮阔的裂缝，便有了东非大裂谷这般的存在。请先阅读下面短文，掌握其大意，然后根据短文内容从下面方框内的七个选项中选择五个还原到文中，使短文意思通顺、结构完整。一空一句。
Have you ever seen a deep crack (裂缝) in the ground? Now, imagine one that is about 6,400 kilometres long. 1. It is not only very long, but also surprisingly wide—some parts are even up to 200 kilometres across.
How did this huge crack form? About 30,000,000 years ago, large plates (板块) under the ground started moving apart (分开). 2.
Many famous African sights can be found in and near the East African Rift Valley, such as deep lakes and high mountains. One example is Lake Tanganyika, located in the valley, which is the world's second deepest freshwater lake. 3. Another example is Mount Kilimanjaro, which is the highest mountain in Africa. It rises to 5,895 metres near the valley.
People call the valley the "Cradle (摇篮) of Humankind". Why? Scientists found the oldest human fossils (化石) here. 4. Besides its importance in human history, the valley is home to many animals, including lions, elephants, giraffes, and zebras.
Many tourists visit the East African Rift Valley every year. They come to see the beautiful lakes and amazing wildlife. 5.
| A. This lake reaches a depth of 1,470 metres. |
| B. Some of these fossils are over three million years old. |
| C. This is why many scientists spend lots of years studying the valley's fossils. |
| D. This process still continues today and has created the deep valley we see now. |
| E. Every year, it brings more than two million visitors to see its wonders. |
| F. This special place shows Earth's power and reminds us to protect our planet. |
| G. This is the East African Rift Valley, one of Earth's most amazing natural wonders. |
Have you ever seen a deep crack (裂缝) in the ground? Now, imagine one that is about 6,400 kilometres long. 1. It is not only very long, but also surprisingly wide—some parts are even up to 200 kilometres across.
How did this huge crack form? About 30,000,000 years ago, large plates (板块) under the ground started moving apart (分开). 2.
Many famous African sights can be found in and near the East African Rift Valley, such as deep lakes and high mountains. One example is Lake Tanganyika, located in the valley, which is the world's second deepest freshwater lake. 3. Another example is Mount Kilimanjaro, which is the highest mountain in Africa. It rises to 5,895 metres near the valley.
People call the valley the "Cradle (摇篮) of Humankind". Why? Scientists found the oldest human fossils (化石) here. 4. Besides its importance in human history, the valley is home to many animals, including lions, elephants, giraffes, and zebras.
Many tourists visit the East African Rift Valley every year. They come to see the beautiful lakes and amazing wildlife. 5.
| A. This lake reaches a depth of 1,470 metres. |
| B. Some of these fossils are over three million years old. |
| C. This is why many scientists spend lots of years studying the valley's fossils. |
| D. This process still continues today and has created the deep valley we see now. |
| E. Every year, it brings more than two million visitors to see its wonders. |
| F. This special place shows Earth's power and reminds us to protect our planet. |
| G. This is the East African Rift Valley, one of Earth's most amazing natural wonders. |
答案
1. G
2. D
3. A
4. B
5. F
2. D
3. A
4. B
5. F
