1. You could feel sorry for Alberto Torres (阿尔伯图·多里斯), who is blind. The last thing he remembers seeing was his daughter being born 13 years ago. Then the world went blank;
    您也许会为盲人阿尔伯图·多里斯感到难过，他记得他看到的最后一件事就是13年前他女儿出生的情景，然后世界就变得一片空白。

2. Socialist and capitalist countries coexist in the world.
    社会主义与资本主义国家共存于世。

3. Some inventions have changed the world.
    有一些发明改变了世界.

4. Smallpox was once the scourge of the world.
    天花曾是世界的大患。

5. Seine is a famous river of the world.
    塞纳河是世界上著名的河流。

6. Smallpox was once the scourge of the world.
    天花曾是世界的大患。

7. So while the rest of the world was trying to get rid of mosquitoes, Australia was encouraging this one.
    因此，世界上其他地方在设法消灭蚊子的时候，澳大利亚却在促使这种蚊子大量繁殖。

8. She did not know that the letters were related to something in the world.
    她不知道那些字母与世上实物之间有联系。

9. So when the north pole tips towards the sun, the northern half of the world (or the Northern Hemisphere) is warmer and has its summer (June, July and August).
    所以，当北极斜向太阳时，地球的北半部（北半球）就比较温暖，是夏季（六、七、八月）。

10. Saturday morning came, and all the summer world was bright and fresh.
    星期六的清晨来到了，夏天的世界明亮而清新。