高一英语必修4全册同步练习2—4Usinglanguage.doc

Unit 2 第4课时 Using language Ⅰ.单词拼写 读下面的句子，根据所给的首字母或汉语提示写出一个完整、准确的英语单词，使句子顺畅。 1．They c________me with different descriptions of what had happened. 2．Soil should be improved by adding o________fertitizer. 3．The new model will have been in________(生产)by the end of the year. 4．Researchers have made some important d________in this field. 5．How will the tax________(影响)people on low incomes? 6．The police chief made no________(评论)about the bomb attack. 7．Often allergies are at the ________(是……的根本原因)of the problems. 8．When money is in short s________ many businesses fail. 答案：1.duction　4.discoveries 5．ments　7.root　8.supply Ⅱ.用本课所学知识翻译下列短语。 1．让很多人知道信息和想法____________________________________________ 2．为了某一目的_______________________________________________________ 3．被大量种植_______________________________________________________ 4．尝试，试验______________________________________________________ 5．需要_______________________________________________________ 6．有机农业___________________________________________________ 7．破坏土地________________________________________________________ 8．积聚，增加_________________________________________________________ 9．使空气、土壤和水中无化学物质_________________________________________ 10．阻止风和水把土壤带走______________________________________________ 11．避免危害环境和人们的健康________________________________________________ 答案： 1．make information and ideas known to many people 2．for a certain purpose 3．be grown in large amounts 4．try out 5．in need of 6．organic farming 7．cause damage to the land/damage the land 8．build up 9．keep the air, soil and water free from/of chemicals 10．prevent wind or water from carrying away the soil 11．avoid damaging the environment or peoples health Ⅲ.句型转换 完成B句，使其与A句意思相同或相近。 1．A.However often I try, I cant find the answer. B．________ ________ ________often I try, I cant find the answer. 2．A.He wanted to water the flowers in the garden instead of wandering in the street. B．He ________ ________water the flowers in the garden than________in the street. 3．A.He has worked twi