《2025年经纶学典5星学霸七年级英语上册译林版》

1. How much did the number of male bitterns grow from 2019 to 2021?
B
2. Scientists count bitterns’ number by ______.
D
3. Why should we protect wetlands according to the passage?
C
4. What can we learn from the last paragraph?
D

答案： 1. B 细节理解题。根据第一段"with 228 males counted in 2021，up from 209 in 2019"可知雄性麻鸦的数量从2019年的209只增长到2021年的228只,一共增长了19只。故选 B。
2. D 细节理解题。根据第二段"So the best way to count their number in the breeding season is to listen to the males' foghorn call."可知计算麻鸦数量的最佳方式是听雄性麻鸦的叫声。故选 D。
3. C 细节理解题。根据第四段"Because wetlands are amazing carbon sponges and wetlands by the sea can lock more carbon than forests,"可知湿地固碳能力强。故选 C。
4. D 推理判断题。根据"we all benefit from making healthy space for animals ... their wetland homes also protect people from flooding and help to soak up carbon. It's a win-win for animals and people"可知人们保护湿地可以预防洪水,吸收二氧化碳,对人们有益,由此可知保护环境就是保护人类。故选 D。