Unit 13 Section A(3a～3b)-【四清导航•河南专版】2022-2023学年九年级英语下册作业课件(人教版)

第二课时　Section A(3a～3b) 英语 九年级下册 人教版 四清导航 2 一、用括号内所给单词的适当形式填空。(5×3分＝15分) 1．According to the __________ (science) studies，people should do exercise as often as possible. 2．(教材改编题)Many people think that sharks are too strong to be ____________ (endanger), but they are wrong. 3．5G technology influenced many ____________ (industry) and encouraged the appearance (出现) of many new products. 4．Eating too much junk food is really _________ (harm) to your health. 5．The number of the computers in our school ___ (be) about 600. scientific endangered industries harmful is 3 二、用方框中所给单词的适当形式填空。(5×3分＝15分) 6．I can't stand people who are _______ to little animals. 7．(教材改编题)Sharks may disappear one day if we do not do something to stop the sale of shark ___ soup. 8．I'm looking for some information about the food ______ in the deep ocean. 9．With the development of society，some _____ are canceled and some new ones are made. 10．If the number of sharks drops，the ocean's _________ will be damaged (破坏). cruel fin chain laws ecosystem chain, law, cruel, ecosystem, fin 5 三、根据句意填空，每空一词。(8×2.5分＝20分) 11．Smoking is really harmful ___ the health.Give it up now. 12．(教材改编题)___ far, I haven't found out who took my dictionary. 13．The electricity and water were cut ____ in the town because of the storm. 14．If we don't do something to protect sharks, the ocean's ecosystem will be ___ danger. 15．The government is trying its best to stop people throwing litter ____ the river. 16．That sounds rather simple, but ___ fact, it's very difficult. 17．You can enjoy the great night scene of the city at the top ___ the mountain. 18．The temperature tomorrow will fall ___ between 3—5 degrees Celsius. to So off in into in of by 6 四、完形填空。(15×2分＝30分) In 1989，Zhao Xihai made a plan. He would plant 100，000 trees before __19__ 70. In the first spring after he retired (退休), he bought 46，000 seedlings (树苗) and set about planting them on a hill. It was 3 kilometers away __20__ his home.He set himself the goal of planti