Unit 13 第5课时 Section B(3a-Self Check)-【学海风暴】2025-2026学年九年级下册英语同步备课（人教版）

10.B【解析】此处指垃圾对河流及那里的动植物都是 有害的。be harmful to是固定短语，意为“对……有 害处”。 11.C【解析】根据后面的“instead of throwing it in the river'”可知，该俱乐部要求在河上钓鱼或划舟的人把 垃圾随身带走。 12.D【解析】此处指作者最喜欢做的事情就是寻找 水虫。 13.A【解析】根据语境可知，一些水虫不在意水有 多脏。 14.B【解析】句意：如果我们找到了许多需要干净的水 的虫子，我们就会知道这条河对鱼和我们来说是足 够干净的。 15.C【解析】通读全文可知，作者很喜欢照看家附近的 这条河流。 第4课时Section B(2a-2e) 课内基础达标 -,1.gate 2.bottles 3.president 4.works 5.metal 1.creativity 2.inspiration 3.iron 4.Recently 5.useful 三、1-5 DCDBB )课外拓展提高 -1.but 2.Suddenly 3.beautiful 4.polluted 5.something 6.day 7.thirsty 8.to protect 9.classmates 10.people 11.avoid 二、1-5 AGDBC 第5课时Section B(3a-Self Check) 课内基础达标 1.scientific 2.environmental 3.pollution 4.reusable 5.action )课外拓展提高 一、 1.B【解析】根据语境可知，昆虫在全世界都能被发现。 2.A【解析】根据上一句和“like mosquitoes”并结合选 项可知，此处指麻烦制造者。 3.D【解析】此处指“它们的”，应用形容词性物主代词 their修饰名词ability。 4.B【解析】句意：许多昆虫，如蜜蜂，都有翅膀，使它们 能在空中自由飞翔。 5.A【解析】句意：所以在自然界中，它们的敌人很难找 到它们。 6.D【解析】根据下文“For example,.bees use a special dance to tell other bees where to find food”可知，昆 虫之间也有特殊的交流方式。 7.C【解析】根据设空前后内容之间是转折关系，故用 while。 8.C【解析】根据语境可知，此处指每一种昆虫都有自 己的长处。 9.D【解析】句意：例如，蚂蚁以其合作能力而闻名。be known for意为“因…而闻名”，符合语境。 10.A【解析】句意：甲壳虫总是穿着“硬衣服”，保护它 8 九年级英语RJ版 们免受敌人的伤害。protect…from…意为“保护…… 免受…的伤害”，符合语境。 11.B【解析】句意：蚱蜢有强壮的腿，帮助它们跳得很 远。根据“Grasshoppers have strong legs'”可知，蚱蜢 善于跳跃。 12.C【解析】根据“the world would be a very different place'”可知，此处是指没有昆虫的世界将会是一个非 常不同的地方。 13.A【解析】句意：然而，人类活动和气候变化正在使 昆虫难以生存。 14.B【解析】句意：这引起了担忧，如果昆虫数量减少， 将对整个环境有害。 15.D【解析】根据语境可知，保护好昆虫就能让它们继 续在环境中发挥重要作用。continue to do sth.意为 “继续做某事”。 二、 1.A【解析】通读全文可知，本文主要介绍了白鲸的相 关信息。这属于动物范畴。 2.C【解析】根据“It takes them about eight years to become completely white..”可知，白鲸需要八年左右的 时间完全变成白色。 3.C【解析】根据“They can use different sounds like the soft high noise that a cat makes to communicate. 知，白鲸通过各种声音交流。 4.C【解析】根据“It is very important to take action to protect them.”可知，作者写最后一段的目的在于呼吁 大家保护白鲸。 主题写作指导 ◆写作练兵 Have you ever heard of Earth Day?It's celebrated all over the world on April 22nd. Earth Day is a very special day.It makes all of us think about problems we caused for the earth.Why do we celebrate Earth Day?Because we have only one earth and it's our home.It's getting very dirty.It's our duty to protect our beautiful home.Earth Day is a day to call on people around the world to save the earth. We should do something to protect our earth,such as planting a tree,cleaning up a park,picking up the rubbish and so on. 熟词生义 1.ACBD 2.BCDA 3.BCA 高频考点训练 考点一 1-3 DBC 4.paid;for 考点二 1.A 2.afford 3.afford;for 4.can't afford 考点三 1-3 DBD 4.turn up 5.turned on 阶段听力训练2 -、1-5 ABBCA 二、6-10 CBACB第5课时 Sectior 号课内基础达标 用所给词的适当形式填空 1.He is doing a science)study in a university. 2.We will have a discussion about the (environment)problems. 3.The water pollute)is very serious in the area. 4.Some of the waste is (reuse), so don't throw it away. 5.Don't keep on talking.We should take (act)now. 巴课外拓展提高 一、完形填空 素养 语言能力 难度 中 主题 自然生态 用时 8分钟 Insects are small animals.And some of them have six legs and three body parts.They can be 1 all over the world and come in many different shapes and sizes.Some insects, like butterflies,are beautiful to admire.Other insects,.like mosquitoes(蚊子)，can be2 makers. One of the most interesting things about insects is 3 ability to fly.Many insects, such as bees,have wings that allow them to 4 in the air.These wings can be of different colors.Sometimes the colors are the same as the things around them.So in nature, their 5 are difficult to find them. Insects also have 6 ways of communicating with each other.For example, bees use a special dance to tell other bees 6 九年级英语RJ版 B(3a-Self Check) where to find food,7 ants use chemical signals(化学信号)to communicate with each other and build their own“houses?”. There are many different kinds of insects. 8 one of them has their own strong points.For example,ants are 9 for their ability to work together..Beetles(甲壳虫) always wear“hard clothes'”that 10them from enemies..Grasshoppers(蚱蜢)have strong legs to help them 11 a long way. Insects play an important role in our environment.They break down dead bodies, and provide food for other animals.12 insects,the world would be a very different place.However,human activities and climate change(气候变化)are making it 13for insects to live.This has caused 14 that if there are fewer insects,it will be bad for the whole environment.Many people believe that it is important to protect insects so that they can 15 to play their important role in the environment. 1.A.heard B.found C.told D.made 2.A.trouble B.food C.game D.color 3.A.his B.her C.our D.their 4.A.move slowly B.fly freely C.sing aloud D.go straight 5.A.enemies B.friends C.parents D.owners 6.A.painful B.cruel C.harmful D.special 7.A.so that B.as long as C.while D.until 8.A.Only B.No C.Each D.Even 9.A.good B.bad C.sorry D.known 10.A.protect B.take C.hear D.learn 11.A.dance B.jump C.swim D.swing 12.A.For B.Before C.Without D.As 13.A.difficult B.easy C.busy D.happy 14.A.accidents B.worries C.death D.failure 15.A.decide B.agree C.forget D.continue 1-5 6-10 11-15 二、阅读理解 素养 思维品质 难度 中 主题 自然生态 用时 8分钟 Beluga whales,also known as white whales,are one of the smallest kinds of whales.Their special color makes them easy to tell apart from other whales.But do you know that beluga whales are not born white? In fact,beluga whales are gray or brown when they are born.It takes them about eight years to become completely white. Beluga whales are highly social animals. They usually live in small groups and hunt(捕猎) together.They can use different sounds like the soft high noise that a cat makes to communicate. They can also copy other sounds like human speech.They have a musical voice and are known as the“canaries of the sea(海中金丝雀)” Beluga whales are not very long but they are strong.They can grow up to 5 m in length and weigh as much as 1,600 kg.Even though they are very big,they are friendly animals. They always appear to have a smile on their face.They often think of humans as interesting friends in their watery world. However,it is important to remember this: When you get close to them,you should be careful and show your friendliness,as they can be aggressive(富于攻击性的)when they feel in danger. It is sad to tell you that our cute friends are facing dangers,including changes in the environment,hunting,noise,and pollution from cities.It is very important to take action to protect them. 1.What's the theme of the passage? A.Animals. B.Culture. C.Technology. D.Sports. 2.How long does it take beluga whales to become completely white? A.About two years.B.About five years. C.About eight years.D.About ten years. 3.Which of the following is true according to the passage? A.Beluga whales are born green and white. B.Beluga whales are one of the largest kinds of whales. C.Beluga whales communicate by using different sounds. D.Beluga whales are so friendly that you don't need to be afraid of them. 4.What's the writer's purpose of writing the last paragraph? A.To tell us what beluga whales are like. B.To show how to protect beluga whales. C.To ask people to protect beluga whales. D.To make more people like beluga whales. 1-4 下册Unit13