《2025年学习之友八年级英语上册人教版》

Ⅳ. 语法填空。
Days ago, I read a science book about life on earth. It mentioned that plants and animals are closely(1)connected(connect)with each other. In fact, they are important in keeping the balance of(2)our(we)ecosystems.
Take plants for example. Bamboo is a fast - growing plant. People use it to build bridges(3)and make tools. More importantly, it's the main food for pandas.(4)Without(with)bamboo, pandas could die out.
Among animals, the cheetah is the(5)fastest(fast)land animal. Its speed helps it hunt(6)efficiently(efficient). But the cheetah does(7)more(much)than just hunt. It plays(8)a part in changing the number of its prey(猎物). So it keeps the whole food chain balanced.
In order to protect this kind of balance, we(9)humans(human)must do our parts. We should create safe living places for animals and plants in danger.(10)If we do so, we can keep the amazing variety of life alive for tomorrow.

答案： Ⅳ.1. connected 2. our 3. and
4. Without 5. fastest 6. efficiently
7. more 8. a 9. humans 10. If

Ⅴ. 综合填空。
importance, save, for this reason, help, together, dropping, the most interesting, when, to, vegetable
Butterflies work very hard. Their greatest work is pollination. They fly from one flower(1)toanother, carrying pollen. This helps fruits,(2)vegetablesand other plants grow. Without butterflies, about 80% of plants cannot grow.(3)For this reason, many scientists say butterflies are one of the most important animals on earth.
Butterflies are also(4)the most interestinganimals in the world. They often stay(5)togetherin groups.(6)Whena butterfly finds food, it may move its wings or use smells to tell others where it is.
However, the number of butterflies is(7)dropping, and this is dangerous. They need our(8)help, and there is a lot we can do. Plant flowers that butterflies like. Don't use pesticides(农药)that hurt them. Also, telling others about the(9)importanceof butterflies can encourage more people to join in the protection efforts. Let's work together(10)to savebutterflies!

答案： Ⅴ.1. to 2. vegetables
3. For this reason
4. the most interesting 5. together
6. When 7. dropping 8. help
9. importance 10. to save