step by step 3000 第一册 答案 原文

96.400.000

82.071.000

C

1 .Chinese 1.300 million

2. Spanish 332 million

3. English 322 million

4. 189 million

5. 182 million

6 170 million

7. Russian 170 million

8 Japanese 125 million

9 Germon 98 million

10. 75.5 million

11. Korean 75 million

12. French. 72 million

13. Vietnamese. 67 million

14. 66 million

15. 64 million

16. 63 million

17. Turkish 59 million

18 58 million

19. 44 million

20. Polish 44 million

21. Arabic 42.5 million

22. 41 million

Part Ⅱ

A:

1. A baby boy

2. social, ecological, populations

3.longer, healthier

B:

1: b 2:c 3:a

Part Ⅲ

A: water, 70%, red or brown, plant cover, snow, continents, islands, arms of the ocean, connecting, a channel, valleys, plains.

B: in 1950:

New York, 12 million

London: 2, 10 million

Calcutta: 10,

Tokyo: 3