(1) an appointment

(2) a pain

(3) chest 

(4) a checkup

(5) appreciate

1.Y

2.NG

3. NG

4. Y

5. N

4: meaning

1: international

2: importan

3: amazing

1 international

2 important

3 amazing

4 meaningful

5 environmental

6 scientists

B - A - A - C - D - B - A - C - D - D

31 A

32 B

33 B

34 A

35 B

36 B

37 B

38 A

39 A

40 A

41 C

42 B

43 C

44 A

45 D

46 D

47 A

41 E

42 A

43 C

44 F

45 B

29C

30B

31B

32D

33B

34D

35A

36C

37B

28 D

29 B

30 D

31 C

32 D

33 C

34 D

35 B

36 C

24B

26B

25C

17C

18B

19A

16 D

17 C

18 B

19 A

20 A

29a

30b

#\(Cụt cạp cạp\)

#\(yGLinh\)