【正文】
eteenth, two thousand and thirteenl 序數(shù)詞的縮寫:1st 2nd 3rd 4th 20th 63rd 78th l 序數(shù)詞表示編號順序時: Unit One= the first unit Part Two= the second part幾種特殊數(shù)詞的表示方法:普通分數(shù):)eg: 1/3: one third 2/3: two thirds1/2:讀作 a half或one half 1/4讀作 a quarter 或one fourth eg: Two thirds of the earth is covered by water.百分比:基數(shù)詞+percent(per cent) 2%讀作 two percent 27%讀作 twentyseven percent eg: Over 25 percent of the surface of the ground is covered with grass.習慣表達one and a half apples= one apple and a half 一個半蘋果half an apple半個蘋果 one or two apples= one apple or two 一兩個蘋果10:30 half past ten10:25 twenty–five past ten9:45 fifteen to ten 或 a quarter to ten語法三、加減乘除數(shù)字的運算加法:3 plus 9 is/equals 12. 減法:9 minus 3 is/equals 6.乘法:3 multiplied by 9 is/equals27. 除法:9 divided by 3 is/equals 3.=: is/ equals +: plus :minus *: multiplied by /: divided by 都是表示加減乘除的介詞。用于讀出已列的算式。 eg: What is 2 plus 3? 2 plus 3 is 5. 而出題者通常用“加減乘除”的動詞原形來開頭,構成祈使句,命令做題者。 Add A and B Subtract A from B Multiply A by B Divide A by B If we add 2 to 5, we can get 7. Multiply 2 by 3, please.【考考你】Every week, Xiao Ying plans to use 180 minutes to practice her listening.According to the table, it takes her _________hour(s) to do it on weekdays.Xiao Ying’s listening planDay.Mon.Tue.Wed.Thu.Fri.Sat.Sun.Minute202525202040 C. 3【即學即練:】(1)用英語讀出下列算式: 4+5=9 6*6=36 4811=37 15/3=5語法針對練習一、用所給詞的適當形式填空1. Tom’s mom gave him a nice gift on his ________(eight)birthday.2. What’s the date today? It’s September the _____________(thirty).3. Mr. Wu asked his students to turn to the __________(fiftynine)page.4. He opened up his own pany in his ______________(twenty).5. How happy we are living in the ________(twentyone) century!二、根據(jù)漢語提示完成句子。1. Kate and Mary are in __________(三年級五班).2. I was born in Shanghai on _________________(1999年10月17日).3. She’s been away from London for ________________(三天半).4. It was a lonely village in_________(20世紀80年代),but now there are many tall buildings in it.5. Take the ______________(第二)turning on your left and you’ll see the museum.三、單項選擇1. There are ______workers in this factory. A. two hundreds and thirtysix B. two hundreds, thirtysix C. two hundred and thirtysix D. two hundr