初中英语语法讲解数词用法.ppt

1. There will be more chances in __ century than in __ century. A. twenty-one, twenty B. twenty-first, twentieth C. the twenty-first, the twentieth 2. The city changed a lot ___. A. in 1980s B. in the 1980s C. in the 1980 一倍 once，两倍 twice， 三倍 three times (三倍或以上 基数词＋times) 数词的表示法 — 倍数 This box is five times as big as that one. =This box is four times bigger than that one. ① A + be + 倍数 + as +adj.原+ as +B. A是B的 …倍… ② C + be + 倍数 + adj.比+ than +D. C比D … …倍 1. This building is __ that building. A. three time as tall as B. twice taller than C. three times as taller as 2. 我的箱子比你的重六倍! My box is ____________________ yours. six times heavier than seven times as heavy as 6+5＝11 Six plus five is eleven 或 Six and five is eleven. 11-6＝5 Eleven minus six is five. 4×5＝20 Four multiplied by five is twenty. 或 Four times five is twenty. 20÷4＝5 Twenty divided by four is five. 选择填空。1．March is ____month of a year．A． a three B． the third C． a third2．We will have a meeting at 8:05____．A．five to eight B．eight five C．eight o five3．Eight plus eight is____.A．sixteen B．sixty-four C．one4．He is an ____boy．A．eight years B．eight-year-old C．eight-years-old5．We will have a___ walk．A．ten minutes B．ten minutes C．ten-minutes B． the third C．eight o five A．sixteen B．eight-year-old B．ten minutes 6．The wall is____.A．four meters long B．four meter long C．four-meter long 7．Whats the date today? Its___．A．March the eight B．March eighthC．eight，March8．It happened in the 1040s．A． in the forties of the eleventh century．B． in the forties of the tenth century．C． in the forty 9．About_____________ of the earth\s surface is covered with water.A. three-fours B. three-fourth C. three-fourths A．four meters long B．March eighth A． in the forti