《2025年启航新课堂九年级英语上册人教版》

①Do you know farming produces more than just food? What happens to the leftover straw(麦秆) from crops which is usually burnt by farmers? Recently, scientists have found cool ways to turn it into useful things!
②One of the most exciting ways to reuse crop straw is to make bioplastics(生物塑料). Bioplastics are like regular plastics, but they come from plants. What makes bioplastics special is that they break down naturally, so they're much better for the environment.
③Another cool idea is to turn crop straw into biofuels(生物燃料). Biofuels are like gasoline, but they come from plants. Scientists can change the straw into a special kind of fuel that can power cars or machines. This keeps the air cleaner because biofuels are less-polluting.
④Crop straw can also be used to make fertilizers(化肥). Farmers can let the straw break down naturally and then use it to nourish the soil. This helps plants grow better and keeps the soil healthy.
⑤What are the advantages of turning crop straw into useful products? The most important one is reducing air pollution. When farmers burn straw, it releases harmful smoke into the air. Using straw to make things like bioplastics or biofuels can keep the air cleaner.
⑥In addition to environmental benefits, reusing crop straw can bring economic opportunities. Instead of throwing straw away, farmers can sell it to make products like fertilizers or biofuels. This not only improves their income but also supports businesses.
⑦Crop straw is no longer just waste — it's a resource full of value. The new ways of reusing it show a perfect example of how science and creativity can turn challenges into opportunities. With more research and study, the possibilities for crop straw are endless!
(D)56.How does the writer lead into the topic?
A.By listing numbers.
B.By giving facts.
C.By explaining reasons.
D.By asking questions.
(A)57.What does the underlined word "nourish" in Paragraph 4 mean?
A.滋养 B.消耗 C.破坏 D.增强
(D)58.Which of the following shows the structure of this passage?
A.
| Crop straw |
| --- |
| Background | ① |
| Development | ②③④ |
| Advantages | ⑤⑥ |
| Future | ⑦ |
B.
| Crop straw |
| --- |
| Introduction | ① |
| Reusing | ②③④ |
| Advantages | ⑤⑥ |
| Conclusion | ⑦ |
C.
| Crop straw |
| --- |
| Background | ① |
| Development | ②③ |
| Advantages | ⑤ |
| Future | ⑥⑦ |
D.
| Crop straw |
| --- |
| Introduction | ① |
| Reusing | ②③④ |
| Advantages | ⑤⑥ |
| Conclusion | ⑦ |
(B)59.What can be the best title of the passage?
A.The Importance of Crop Straw
B.Turning Straw into Treasure
C.The Science of Crop Straw
D.Creating a Greener Future

答案： 56.D 57.A 58.D 59.B