09中考英语零距离知识梳理与提高训练八年级上Unit4—6语法精讲.docVIP

09中考英语零距离知识梳理与提高训练八年级上Unit4--6语法精讲 1. I first saw the baby panda when she was only 10 days old. 我第一次看到她时，她只有十天大。 1) 10 days old的意思是“十天大”。数词+ days/months/years + old的意思为“几天/几个月/几岁大”。如：The baby is nine months old, and she is able to talk. He graduated from the university when he was twenty five years old. 2) a 10-day old giant panda 数词-day/month/year-old+ 被修饰的名词 Cathy is a fourteen-year old girl who loves painting. The eighty-year-old man is a great scientist. 2. At four months, she weighed about 10 kilograms and started to go outside her home for the first time.四个月大时，她重十公斤，并且第一次开始出门。 1) weigh v. 称重 weight n. 重量 The cat weighs about 2 kilos.= The weight of the cat is about 2 kilos. 2) start to do something., start dong something, begin to do something., begin doing something的意思均为“开始做…”。如： She started/began to learn how to drive at the age of thirty. She started/began learning how to drive at the age of thirty. 3) for the first time 第一次 for the second/third/ fourth/fifth…time 3. At the very beginning, Xi Wang drank her mother’s milk for up to 14 hours a day. 一开始，希望每天喝母乳长达14个小时。 1)at the very beginning在一开始的时候，at the beginning of …在…开始的时候， 如：We don’t know each other at the beginning of the first term. 2) in the middle of 在…的中间的时候 In the middle of last month we had a picnic. 3) at the end of 在…结束的时候 They got married at the end of last year and moved out of the flat. 4) up to 意为“直到” She used to work up to twelve hours a day. 4. Sadly, it is difficult for giant pandas to survive in the wild. 可惜的是, 大熊猫很难在野外存活下来。 1) It is +形容词+ for somebody+ to do something。it 代替不定式作句子的主语。如： It is necessary for use to learn something about the world around us. It is impossible for you to get success without working hard. 能够接for somebody. 的形容词是对不定式中的动作进行评价的, 如: hard, difficult, easy, important , unimportant, interesting, boring, necessary, possible, impossible等。 2) It is +形容词 + of somebody +to do something 如： It is generous of him to p