人教版必修三第四单元reading课文必背漂亮和短语

Unit 4 How Life Began On The Earth 必背漂亮句和短语: Para 1 1. However,according to a widely accepted theory ,the Universe began with a “Big Bang”that threw matter in all directions. 然而，根据一个人们普遍接受的理论，宇宙起源于一次大爆炸，这次大爆炸将物质投射到四面八方。 that threw matter in all direction是由that 引导的定语从句，修饰先行词a “Big Bang”。 1） begin with/start with 以..开始 The party began with a wonderful song . 聚会以一首优美的歌曲开始。 注意：句首常用的一些固定的不定式短语： To begin /stat with,首先，第一 To tell you the truth ,说实话 To be frank ,坦白地说 To be honest, 老实说 To make matters worse ,更糟糕的是 eg To tell you the truth, I’m a little tired . 说实话，我有点累。 2 . What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe . 它会变成什么没人知道，直到38--45亿年前，这团尘埃才慢慢地形成一个固体的球状物。 What it was to become是what 引导的主语从句， when the dust settled into a solid globe 是when 引导定语从句，修饰先行词4.5 and 3.8 billion years。 3 . The earth became so violent that it was not clear whether the shape would last or not . 1)句中that 引导的是结果状语从句，和so 构成固定搭配:so....tha