Ⅰ. Complete the sentences with proper words.
1. People in our community are taking action to protect the (环境).
2. She painted her bedroom yellow to (创造) a feeling of warmth.
3. Human beings need (氧气) to breathe on Earth.
4. Tim has a wide range of (知识) in science.
5. There is a set of old (家具) in Miss Brown's new house.
6. It's (convenience) to travel around the city by underground now.
7. We are asked to keep (silence) during the exam.
8. If you learn English, you can (communication) with foreigners freely.
9. In autumn, the (branch) and leaves of trees become dry and yellow.
10. Huawei's (product) are popular among young people.

1. environment
2. create
3. oxygen
4. knowledge
5. furniture
6. convenient
7. silent
8. communicate
9. branches
10. products

1. “环境”对应英文单词为“environment”。
2. “创造”对应的英文是“create”，根据“to do sth.”表目的的结构，这里用动词原形。
3. “氧气”的英文表达是“oxygen”，为不可数名词。
4. “知识”的英文是“knowledge”，为不可数名词。
5. “家具”的英文是“furniture”，为不可数名词。
6. 根据句子结构，此处需要一个形容词作表语，“convenience”的形容词形式是“convenient”，意为“方便的”。
7. “keep”在这里是系动词，后接形容词作表语，“silence”的形容词形式是“silent”，意为“安静的”。
8. “can”是情态动词，后接动词原形，“communication”的动词形式是“communicate”，意为“交流”。
9. 根据“and leaves”可知，此处要用“branch”的复数形式“branches”，表示“树枝”。
10. 根据“are”可知，主语要用复数形式，“product”的复数是“products”，意为“产品”。