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1、Section B 1a-1e,Unit 7 How much are these socks?,Ask and answer about the pictures.,How much is that hat?,Its five dollars.,How much is/are?,Its /Theyre,1a,Listen and repeat.,Find out the rules of the numbers.,(1) 1319 规律：个位数字后加 teen；注意：thirteen, fifteen, eighteen的差别。 (2)2129及3139等数字的规律：twenty或thirt
2、y后加连字符，再加个位数 (3) 20、30等表示几十的数，大部分构成形式为：个位数后加ty，注意twenty, thirty, fifty等。,Write the numbers in 1a next to the correct word. Which rows of numbers are in the wrong places?,1b,10,11,12,13,14,25,26,27,28,29,20,21,23,24,15,16,17,18,19,30,31,Listen and circle the numbers you hear in 1a.,1c,Listen again. Circle the things in the picture that Kate and her mom talk about. Check () the thing Kate buys.,1d,How much is/are ?,Its/ Theyre,