英语第三十一到第六十

11eleven12twelve13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen

21-twentyone,22-twentytwo,23-twentythree,24-twentyfour,25-twentyfive,26-twentysix,27-twentyseven,28-

firstsecondthirdforthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsi

HalfkilogramNo.2middleschoolGrade6ThetwelvethThethirtyfirstThesecondThesixtieth

ACACC再答：CC

∵第一格——1粒=2^0粒　　第二格——2粒=2^1粒【1个2】　　第三格——4粒=2^2粒【2个2相乘】　　第四格——8粒=2^3粒【3个2相乘】　　第五格——16粒=2^4粒【4个2相乘】　∴格子

first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourtee

1、first[fɜːst]2、second['sek(ə)nd]3、third[θɜːd]4、fourth[fɔːθ]5、fif

fromeleventoeighteenyearsold

楼上的,他写了"如first”,是基数词哎～firstsecondthirdfourthfifthsixthseventh......(在序数词后加th)fifteenthtwentyfirsttwe

乙是对的【解析】再答：0°＜α＜90°90°＜β＜180°90°＜α+β＜270°15°＜1/6·(α+β)＜45°再答：只有乙的答案，23°才符合要求。

first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourtee

MyfriendhasthesamehaircutasIdo,再问：哦，我傻了再问：再问一道填空行吗？再问：再问：61再答：personal，意为“私人的”。抱歉哦我不是一直在线。

thethirtyfirst

..保证是对的.AI'mfine,thanks!Ihavebeenherefortwodays.Yes,IarrivedonFridayafternoon.Yes,Ihaveseenhim.Well,

thethirtyfirst

1.one.first2.two.second3.three.third4.four.fourth5.five.fifth6.six.sixth7.seven.seventh8.eight.eight

first,second,third,fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourtee

firstsecondthirdforthfifthsixthseventheighthninthtentheleventhtwelveththirteenthfourteenthfifteenths

缩写全称1stfirst2ndsecond3rdthird4thfourth5thfifth6thsixth7thseventh8theighth9thninth10thtenth11theleven