Unit 1 单元话题短文首字母填空练习-2022-2023学年八年级英语下册单元重难点易错题精练（牛津上海版）

Unit 1 Trees 单元话题短文首字母填空练习 （2022秋·上海·八年级单元测试）Trees are one of the oldest “citizens” of the Earth. They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials. Just like us, trees change a lot as they grow. At 1 to 3 years old, young trees learn how to protect t___1___. For example, many trees grow thorns to w___2___ animals not to go near. When trees are 4 years old, they begin to grow very quickly and become strong enough to face challenges later in life. At the age of 15, trees become young adults. They grow more slowly and begin to produce flowers and fruit. It is not until the tree is 20 to 25 years old that it becomes a real adult. The tree r___3___ its largest size. Not only does the adult tree give us shade, oxygen and natural beauty, but it is a___4___ a great place for us to nap, read a book, listen to music or sip tea. I___5___ the adult tree receives proper care, it will continue to live healthily for many years. Gradually, trees begin to grow older and older and even die. At this time, they still have their important place i___6___ nature. When a tree becomes hollow or part of it becomes dead, it provides a home to small animals and is a source of food for many o___7___ animals. （2022春·上海黄浦·八年级单元测试） Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给）： In 1620, about half of the USA was c__8__with forests. Today the forests have almost gone. A lot of good land has gone with them, 1  _9_only sand. China d_10_want to copy the USA’s example. We’re planting more and more trees. We’ve built the “Great Green Wall” of trees a__11__the northern part of our country. The Great Green Wall is 7,000 kilometres 1__12__，and between 400 and 1,700 kilometres wide. It will stop the wind f _13_blowing the earth away. It will stop the sand from moving towards the rich farmland in the south. More “Great Green Walls” are needed. Trees must be grown all over the world. Great Green W