根据短文内容,用所给单词的正确形式填空,使短文意思完整。
Almost all daily things in our life 1. (make) of different materials. A common wooden desk is made of wood and most wood 2. (take) from big trees in the forest. Paper 3. (make) from bamboo or wood, too. Our school uniforms are of cotton, because cotton 4. (know) for being soft and comfortable. Cotton 5. (grow) in warm areas. The cotton wools(棉絮) 6. (pick) by farmers, then they 7. (clean) and made into yarn(纱线), then cloth. Many cotton T-shirts 8. (produce) in Guangdong.
A mobile phone case is usually made of plastic or metal. It 9. (use) to protect mobile phones from damage(损坏). Plastic is cheap and easy to process, so it is 10. (wide) used in many fields. However, plastic is bad for the environment. So we should use less and choose environmentally friendly materials to protect our earth.

1. are made
2. is taken
3. is made
4. is known
5. is grown
6. are picked
7. are cleaned
8. are produced
9. is used
10. widely

本题主要考查一般现在时的被动语态用法以及词性转换知识点：
1. 主语daily things和动词make是被动关系，主语为复数，描述客观事实用一般现在时，固定搭配be made of表示“由……制成（可看出原材料）”，因此填are made。
2. 主语most wood是不可数名词，和动词take是被动关系，描述客观事实用一般现在时，be动词用is，因此填is taken。
3. 主语Paper是不可数名词，和动词make是被动关系，固定搭配be made from表示“由……制成（看不出原材料）”，be动词用is，因此填is made。
4. 主语cotton是不可数名词，固定搭配be known for表示“因……而闻名”，描述客观事实用一般现在时，be动词用is，因此填is known。
5. 主语Cotton是不可数名词，和动词grow是被动关系，描述客观事实用一般现在时，be动词用is，因此填is grown。
6. 主语The cotton wools是复数，和动词pick是被动关系，描述客观事实用一般现在时，be动词用are，因此填are picked。
7. 主语they指代棉絮，为复数，和动词clean是被动关系，描述客观事实用一般现在时，be动词用are，因此填are cleaned。
8. 主语Many cotton T-shirts是复数，和动词produce是被动关系，描述客观事实用一般现在时，be动词用are，因此填are produced。
9. 主语It指代手机壳，是单数，和动词use是被动关系，固定搭配be used to do sth.表示“被用来做某事”，描述客观事实用一般现在时，be动词用is，因此填is used。
10. 此处需要修饰动词used，要将形容词wide变为副词形式widely，表示“广泛地”，因此填widely。