练习材料: [Day 1799 2019-08-30] Lesson 37-4 The process of ageing 衰老过程 But these are not an...
练习材料: [Day 1799 2019-08-30] Lesson 37-4 The process of ageing 衰老过程 But these are not an...
练习材料: [Day 1798 2019-08-29] Lesson 37-3 The process of ageing 衰老过程 We are so familiar w...
练习材料: [Day 1797 2019-08-28] Lesson 37-2 The process of ageing 衰老过程 It is one of the mos...
练习材料: [Day 1796 2019-08-27] Lesson 37-1 The process of ageing 衰老过程 At the age of twelve...
练习材料: [Day 1795 2019-08-26] Lesson 36-3 The cost of government 政府的开支 As administrative ...
练习材料: [Day 1794 2019-08-25] Lesson 36-2 The cost of government 政府的开支 The administrative...
练习材料: [Day 1793 2019-08-24] Lesson 36-1 The cost of government 政府的开支 If a nation is ess...
练习材料: [Day 1792 2019-08-23] Lesson 35-3 Space odyssey The idea of colonising Mars -- a ...
练习材料: [Day 1790 2019-08-21] Lesson 35-1 Space odyssey The Moon is likely to become the ...
练习材料: [Day 1791 2019-08-22] Lesson 35-2 Space odyssey Because the gravity on the Moon's...
练习材料: [Day 1789 2019-08-20] Lesson 34-3 Adolescence 青春期 The adolescent, with his passio...
练习材料: [Day 1788 2019-08-19] Lesson 34-2 Adolescence 青春期 Disillusionment with the parent...
练习材料: [Day 1787 2019-08-18] Lesson 34-1 Adolescence 青春期 Parents are often upset when th...
练习材料: [Day 1786 2019-08-17] Lesson 33-3 Education 教育 This shows how long it was before ...
练习材料: [Day 1785 2019-08-16] Lesson 33-2 Education 教育 If our educational system were fas...
练习材料: [Day 1784 2019-08-15] Lesson 33-1 Education 教育 Education is one of the key words ...
练习材料: [Day 1783 2019-08-14] Lesson 32-3 Galileo reborn 伽利略的复生 But can we blame those wh...
练习材料: [Day 1782 2019-08-13] Lesson 32-2 Galileo reborn 伽利略的复生 He was the man who climbe...
练习材料: [Day 1781 2019-08-12] Lesson 32-1 Galileo reborn 伽利略的复生 In his own lifetime Galil...
练习材料: [Day 1780 2019-08-11] Lesson 31-3 The sculptor speaks And the sensitive observer ...