Practice 1 At the Court 练习、答案及详析 Practice 2 An Hour or Thwenty Minutes? 练习、答案及详析 Practice 3 Salt 练习、答案及详析 Practice 4 A New Law Helps the Disabled 练习、答案及详析 Practice 5 The Indian Who Could Foretell the Weather 练习、答案及详析 Practice 6 Making A Could Foretell the Weather 练习、答案及详析 Practice 7 Think! 练习、答案及详析 Practice 8 A Modest Husband 练习、答案及详析 Practice 9 A Traveller's Tale 练习、答案及详析 Practice 10 Tourism 练习、答案及详析 Practice 11 The Ways of Cooling Food 练习、答案及详析 Practice 12 On Sleep 练习、答案及详析 Practice 13 Food for Tomorrow 练习、答案及详析 Practice 14 Flying Rubbish 练习、答案及详析 Practice 15 Hte Odd Mysterioun Belt 练习、答案及详析 Practice 16 A New Device 练习、答案及详析 Practice 17 A Smoker's Account 练习、答案及详析 Practice 18 Pearls That Were Cultured 练习、答案及详析 Practice 19 This Way! That Way! 练习、答案及详析 Practice 20 Save Grain Campaign 练习、答案及详析 ……
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