Answer:

Part 1 E-C:

1. 4,300,232,341

2. 777,236,886,223

3. 905.4

4. 8,888,668,686

5. 4,545,454,454

Part 2 C-E:

1. 5'3000'0004

2. 511'2345

3. 684'3023'4553

4. 600'0234'3813'4543

5. 5621'2348'8654

Part 3 Passage interpreting

1979年，中美人员往来仅几千人次。2013年，两国人员往来已近400万人次。两国每天有上万人穿梭于太平洋两岸，通过互联网、手机互动的民众更难以计数。

In 1979, only several thousand Chinese and Americans visited the other country. In 2013, the number was close to four million. Every day, over ten thousand Chinese and Americans fly across the Pacific Ocean for mutual visits, and it is hard to keep a record of many more Chinese and Americans who interact with each other through the Internet and mobile phones.

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