Unit 4 The Earth Section 1同步练习英语沪教版初中七年级上册（无答案）

Unit 4 The Earth Section 1同步练习英语 沪教版（2024）七年级上册（2024） 一、单词拼写 1.Big blue _____ (鲸鱼) call the sea home, along with many amazing fish. 2.词汇运用。 For Bird Week at school, I spent several days studying pigeons. They gave me a lot of _____ (意想不到的事). On the first day, I got my task—I had to write about pigeons! So on the second day, I started to watch pigeons in the park. They just _____ (闲逛) around for the whole morning! At last, they left _____ (粪) everywhere. Through a day of observation(观察), I thought pigeons were _____ (无聊的) and dirty! By the way, I noticed that some pigeons flew _____ (发狂地) to a girl when she fed them. How _____ (可怕的) they were! On the third day, I did some _____ (研究) at home on my computer. I found that pigeons could even _____ (认出) themselves in _____ (镜子). How _____ (令人惊奇的)! I couldn't wait to know more about them! 3.首字母填空 The giraffe is the t _____ modern land animal. It can be over 5.5 meters tall. Its neck is a _____ 1.9meters long. Yet the giraffe has only seven b _____ in its neck, the s _____ number as in the humans'.Even a small bird has many m _____ bones in its neck than a tall giraffe. E _____ bone in a giraffe's neck is very long, while the bones in a human's neck are short. That makes the difference. A female giraffe gives b _____ to one baby at a time. The baby, called a calf, is about 1.9 meters tall at birth. By the a _____ of eight it is full-grown. The giraffe eats mostly l _____ . Because it has a long neck, it can r _____ the leaves high up on the trees. 4.As far as we know, the Earth is the only _____ (行星) that support life. 5.Let's _____ (探索) more places and find out the amazing facts. 二、语法填空 1.阅读短文，在空白处填入适当的单词或用括号内所给词的正确形式填空，使短文通顺、连贯。 In the past, about 14% of the earth was covered _____ rain forests, but today the number _____ (be) about 6%. Why Because people are _____ (cut) down large areas of trees. If we _____ (not protect) the rain forests now, we will never see them again. Rain forests are in the tropical regions(热带 ) of the Earth. The trees are _____ (usual) very tall. Plenty of rainfall helps them grow and live. These rain forests are important _____ half of the world's animal species(物种), such as monkeys, elephants and tigers, live in rain forests. The trees give a home and food to many _____ (live) things. After the trees are cut down, many of these animals have nowhere to live. Each day, we are losing _____ (hundred) of species of animals and plants because their homes are disappearing. Rain forests are _____ important part of the Earth, so every one of us should try to protect _____ (they). 2.Some places on the Earth is _____ (freeze) cold, like the North poles. 3.How is water _____ (pollute) harming sea animals 4.The tallest trees can reach over 100 metres in _____ (high). 5.语法填空 As we all know, we only have one earth. We share the earth _____ animals. We want _____ (kn ... ...