問題詳情：
根據短文內容從A、B、C、D四個選項中選出一個能填入相應空格內的最佳*。
Dr. Jack Tod is very interested in cleaning water. 1 . So it’s natural that he is to develop a small and affordable system(系統)to clean waste water. His “Living Machine” can clean waste water in your home or in your business.
2 waste water goes into a big plastic tank where bacteria(細菌)start to break down the waste. A few days later after it is dealt with, the water is brought into a greenhouse filled with plants and fish. 3 , the plants and animals remove(去掉) more chemicals from the water, making it cleaner. Then the water can be reused for washing or bathing. 4 , but the water is clean enough for watering the flower, washing the dog, or even for bathing or swimming.
The advantage of this technology is that it is affordable and good for the environment. 5, it can help to use less fresh water, and it can help keep the water supply unpolluted.
根據短文內容，從下面六個選項中選出能填入文章空白處的最佳選項。
A. If enough homes and businesses use“Living Machines” B. Water is important for us C. He is also interested in saving money D. It cannot be used for drinking or cooking E. The“Living Machine”is a system for cleaning waste water |
1. 2. 3 4. 5.
【回答】
1—5 C E F D A
知識點：補充句子
題型：閲讀填空
國文精選館
