Listening this song!Unit 7 How much are these socks? SectionBPeriod 1(1a-1e) $ 9 $ 7 $ 11你能用英语说出10~31之间的数字吗？eleven twelve thirteen fourteen fifteen sixteenseventeeneighteennineteentwenty认一认，读一读1112131415 16 17 18 19 20twenty-onetwenty-twotwenty-threetwenty-fourtwenty-five 21 22 23 24 25twenty-sixtwenty-seventwenty-eighttwenty-ninethirty thirty-one 26 27 28 29 30 31Listen and repeat1a Write the numbers in 1a next to the correct word. Which rows of numbers are in the wrong places? 1b 10 11 12 13 14 25 26 27 28 29 20 21 23 24 15 16 17 18 19 30 31one two three four five six seven eight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one … twenty-ninethirty-one … thirty-nineforty-one … forty-ninefifty-one … fifty-ninesixty-one … sixty-nineseventy-one … seventy-nineeighty-one … eighty-nine ninety-one … ninety-nineLearn these numbers and find out the rules: 1. 1 - 12: (记住每个单词)2. 13 - 19: -teen (thir-; fif-; eigh-)3. 20 - 90: -ty (twen-; thir-; for-; fif- |
