【正文】
evenths(two173。分子和分母中間可加連詞符,也可不加。英語中的分?jǐn)?shù)用數(shù)詞來表示:分子用基數(shù)詞,分母用序數(shù)詞。t live in water, and only about one third of our pla is land. 我們不能居住在水里,而我們的星球只有三分之一的面積是陸地。Lesson 38 The World Is a Big Place活學(xué)活用 1. 2022(2)billion 意為 “十億 ”,前面有 ________數(shù)字時(shí),用單數(shù)形式;后面加 ________表示概數(shù)時(shí),用 ________形式。[探究 ] (1) “by+時(shí)間 ”表示 “到 …… 為止;不遲于 ……” 。The population is ________ very Lesson 38 The World Is a Big Place●1 And by 2050, the world39。用作及物動(dòng)詞時(shí),常接名詞作 ________。Reading can increase your knowledge. 閱讀可以增長你的知識。________ ________ not easy ________ ________ ________ those places.,也為了我們孩子的孩子,一定要好好地對待它!It must ________ ________ well for our children and for our children39。s population ________ ________ 9 billion.。Lesson 38 The World Is a Big PlaceUnit 7 Know Our WorldLesson 38 The World Is a Big Place課前自主預(yù)習(xí)課