新人教八年级上册Unit 4 Amazing Plants and Animals 选词填空专项练习（学生版+答案版）

中小学教育资源及组卷应用平台 新人教八年级上册选词填空专项练习 Unit 4 Amazing Plants and Animals （学生版） 从方框内选择合适的单词并用其适当形式填空 一 Bees: Nature’s Little Helpers Bees are 1. _____g insects. From early morning till late evening, they fly around to collect nectar(花蜜) and pollen, never stopping to rest. They have an important 2. _____in the ecosystem. Every time they fly from flower to flower, they take pollen on their bodies, and when they land on another flower, this pollen helps the plant produce seeds and fruit. 3. _____ bees, many of the fruits and vegetables we eat every day, like apples and tomatoes, would not exist. Bees are among 4. _____ creatures (生物) on earth. They live in large groups called colonies, where each bee has its own job. Some bees build the hive, some take 5. _____ of the baby bees, and others collect food. They even make honeycomb 6. _____ to store the sweet honey they produce. What’s more, a bee can 7. _____ with other bees in a special way — when it finds a good place with lots of flowers, it does a little dance to tell the others where the food is. However, in recent years, the 8. _____of bees has been decreasing (减少). This is because their homes are being destroyed (破坏), and harmful chemicals(化学品) are being used in fields. It’s important to protect these little creatures. Not only do they help plants grow, but they also give us delicious honey. Bees are truly 9. _____ friends of humans, and we must try our 10. _____ to keep them safe. 二 The Yangtze River is the 1. _____ river in China. It is home to over 400 species (物种) like Chinese sturgeon (中华鲟). The Chinese sturgeon is one of the 2. _____ fish in the world. A Chinese sturgeon can grow up to about 5m long, 3. _____over 500 kg and live about 40 years. They’ve lived on earth for about 140,000,000 years, so people call them a “living fossil(活化石)”. The Chinese sturgeon was 4. _____ in the river before. However, it’s in 5. _____ now. Fishing too much in the 1970s made the species fewer and fewer. And in 1981, the building of Gezhouba Dam put the sturgeon into two groups. The two groups could not get together. As a result, the species became even 6. _____. So the help for the Chinese sturgeon is very necessary. 7. _____, China has already taken action. On 14th May, 2020, Shanghai passed a new rule to help Chinese sturgeon. This was the 8. _____ rule to help the fish in danger. From then on, the country also starts to stop people 9. _____ fishing in the important areas of the Yangtze River. We believe the Chinese sturgeon will become more and more. We should also play a part in 10. _____ the species in danger. 三 We are beautiful red-crowned cranes (鹤) from Yancheng. We have red caps on the top of our heads. You may think the caps are our feathers. In 1. _____, they are combs (冠). We are one of the 2. _____t birds in size in the world. An adult (成年的) red-crowned crane 3. _____ up to 10 kilograms. We are good at dancing. I ... ...