Unit4 grammar专项练习 2023-2024学年牛津译林版英语七年级下册

9B U4 Grammar专项练习 A.用at the age of.../because of.../without替换状语从句。 1.I was late for school because it rained heavily this morning.(改成because of) 2.The Earth becomes crowded because the population increases rapidly.(改成because of) 3.We can’t walk easily on Mars because the gravity is low.(改成because of) 4.When I was five,I started to play the piano.(改成at the age of) 5.I took my first flight when I was twenty.(改成at the age of) 6.I learned to play football when I was five.(改成at the age of) 7.Unless you work hard,you will not pass the exam.(改成without) 8.Humans can not breathe if there is no oxygen.(改成without) 9.If there is no water,humans may die.(改成without) B.用of.../about...替换宾语从句。（借助短语the difficulty of.../the problem of.../the possibility of.../the price of.../the number of.../the taste of.../the speed of...以及the differences between...and...和the distance between...and...等） 1.People are in no doubt that the spacecraft would travel fast.(be in no doubt that...=be in no doubt about...)(...travel fast-the fast speed of...) 2.People don’t doubt that the spacecraft would travel fast.(don’t doubt that...=don’t doubt about...)(...travel fast-the fast speed of...) 3.People are sure that the spacecraft would tra