VI

23, True (Thông tin ở câu thứ hai: “The smog is so thick that it blocks the sun all day”)

24, False (Thông tin ở câu thứ tư: “... put giant LED screens across the city.” -> có nhiều “screen” ở Bắc Kinh)

25, True (Thông tin ở dòng thứ năm đoạn 1: “Protecting the atmosphere… responsibility.”)

26, True (Thông tin ở dòng thứ 6 đoạn 1: “The live, digital sunrise is really a hit with tourists.”)

27, B - Air pollution in Beijing.

28, C - wearing masks 

VII

29, nominated

30, joyfully

31, activists

32, generosity 

33, pride

34, prioritized 

VIII

35, He didn’t go to school because he had to stay home to look after his sick mother.

36, We go to the main island after travelling three hours by boat.

IX

37, Sarah is better at chemistry than Susan.