二、听录音,写数字。四、听录音,判断对错。1.five()2.eighteen()3.twelve()4.twenty()5.fifteen()6.thirteen()7.seventeen()8.nineteen()9.ten()10.fourteen()五、读一读,写出对应的数字。1.six()2.twelve()3.twenty()4.fifteen()5.two()6.nineteen()7.five()8.seventeen()9.one()10.three()11.eighteen()12.ten()13.four()14.fourteen()15.eight()16.sixteen()17.seven()18.nine()19.eleven()20.thirteen()六、读一读,算一算,把答案的编号填在括号里。A.elevenB.twentyC.fifteenD.nineteenE.seventeenF.eighteenG.twelveH.sixteenI.thirteenJ.fourteen1.7+6=()2.9+2=()3.8+7=()4.10+9=()5.20-8=()6.10+10=()7.25-7=()8.18-4=()9.12+5=()10.6+10=()七、读一读,连一连.nine20five5twenty12fifteen15twelve9sixteen19thirteen14nineteen16fourteen13seventeen17