八年级上Unit2-Numbers必备知识点清单.docx

Unit2 必备知识点清单一 词汇wise 明智的 prize 奖励 realize 意识到 promise 许诺 double 翻倍 rest 剩余的 play chess 下象棋 a long time ago 很久以前challenge sb to 向某人挑战… …and so son 等等 check 检查二 同义词wise= clever= smart= intelligent 聪明的 amount= quantity 数量realize= know 意识到 double= make the amount twice 加倍instead of= in place of 代替 copy down= write down 抄写correctly=rightly 正确的 instruction= order 指令a long time ago= long long time ago 很久很久以前三 句型1 The king and a wise old man were playing chess in the palace in India.国王和一个老智者正在印度的一个宫殿下象棋。

2 The king challenged the wise old man to play chess. 国王向这个老智者挑战下象棋3The king promised to give the old man any prize if he won. 如果老人赢得比赛，国王承诺给他任何的奖励4 The king realized that he didn’t have enough rice to put on the chessboard.国王意识到他没有足够的大米放满棋盘四 语法1 one—first two—second three—third five—fifth eight—eighthnine—ninth twelve—twelfth twenty—twentieth2 hundred, thousand, million, billion在表达确数时不加s，例如： 500 five hundred在表达概数时候要加s，还要和of连用如 hundreds of数以百计的；thousands of数以千计的3 时间的表达 分钟超过三十通常用to。

如：7:50 （ten to eight）分钟小于三十通常用 past 如：7:10 （ten past seven）分钟为15， 通常用 a quarter 如: 7:45 ( a quarter to eight)分钟为30,通常用half 如：7：30 （half past seven）五 书面表达Recently we did a survey in our class about “What do students do after school?” Here are the results.There are 50 students in Class One, Grade Eight. Ten students play sports after school. They think it is a good way to stay healthy. And fifteen students watch TV instead. Only five students do the housework after school. However, twenty students have to do the homework. They often feel tired.Different students like to do different things after school. What about you?。