非洲大蝸牛基礎教程

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Giant African snails are some of the largest snails in the world. They can grow up to 20 centimeters long. That is bigger than your hand! These snails come from East Africa. They have big brown and yellow shells.

These snails are very hungry animals. They eat over 500 different kinds of plants. They like fruits, vegetables, and flowers. They can even eat concrete walls because they need calcium for their shells.

Giant African snails are now found in many countries. People brought them as pets or food. But they can be dangerous to farms. They eat crops very fast and have many babies.

One snail can lay up to 1,200 eggs in one year. The babies grow very quickly. This is why they are hard to control. Many places are trying to stop them from spreading.

In some countries, people eat these snails as food. The snails have lots of protein. Scientists study them to find ways to protect farms. Giant African snails are truly amazing creatures!

等級： C級

A. 詞彙匹配

將每個單字與其定義配對。

B. 對或錯

請對每項陳述寫 T（正確）或 F（錯誤）。

1. Giant African snails are very small. ______
2. These snails come from East Africa. ______
3. The snails eat only one type of plant. ______
4. They can eat concrete walls. ______
5. One snail lays about 100 eggs per year. ______
6. People keep them as pets in some places. ______
7. The snails grow very slowly. ______
8. Some people eat these snails as food. ______
9. Scientists study these snails. ______

C. 填空

詞庫： largest  |  shells  |  hungry  |  countries  |  dangerous  |  control  |  protein

1. Giant African snails are the _______________ snails in the world.
2. They have big brown and yellow _______________ on their backs.
3. These snails are very _______________ and eat many plants.
4. The snails now live in many _______________ around the world.
5. Eating snails gives you lots of _______________ for your body.

D. 理解性問題

1. How big can Giant African snails grow?
2. Where do these snails come from?
3. How many eggs can one snail lay in a year?
4. Why do snails eat concrete?
5. Why are these snails dangerous to farms?

E. 討論問題

與同儕討論這些問題，或寫下你的答案。

1. Would you want a giant snail as a pet? Why or why not?
2. Have you ever seen a snail? What did it look like?
3. What other animals have shells?

答案

請查看下方答案。

A. 詞彙： 1-c, 2-j, 3-h, 4-i, 5-a, 6-g, 7-d, 8-b, 9-f, 10-e

B. 判斷題： 1-F, 2-T, 3-F, 4-T, 5-F, 6-T, 7-F, 8-T, 9-T

C. 填空： 1-largest, 2-shells, 3-hungry, 4-countries, 5-protein

D. 理解： 1. Up to 20 centimeters long; 2. East Africa; 3. Up to 1,200 eggs; 4. They need calcium for their shells; 5. They eat crops very fast and have many babies

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