[阅读理解]Finally， many great players come from the same kind of neighborhood - a poor， crowed area where a boy‘s dream is not to be a doctor， lawyer， or businessman， but to become a rich， famous athlete or entertainer. For example， Liverpool， which produced the Beetles， had one of the best English soccer(英式足球)teams in recent years. Pele practiced in the street with a ball made of rags. And George Best learned the tricks that made him famous by bouncing the ball off a wall in the slums of Belfast.
All great players have a lot in common， but that doesn‘t explain why they are great. Hundreds of boys played in those Brazilian streets， but only one became Pele. The greatest players are born with some unique quality that sets them apart from all the others.
In the last paragraph the statement “… but only one became Pele” indicates that ______.
A、Pele is the greatest soccer player.
B、the greatest players are born with some unique quality.
C、Pele‘s birthplace sets him apart from all the others.
D、the success of a soccer player has everything to do with the family back ground.
答案解析：答案选B。Pele是个伟大的球员，Hundreds of boys played in those Brazilian streets, but only one became Pele成百上千的人在巴西的街道上踢球，但是只有一个Pele这样的伟大球员。最后一句话点明主题The greatest players are born with some unique quality that sets them apart from all the others.所以答案选择B。
[填句补文]He has also included symbols to show which ions are nutrients， and which are common in soil or water. ________.
A、There have been many attempts to redesign the periodic table since Dmitri Mendeleev drew it up in 1871.
B、And the size of element‘s symbol reflects how much of it is found in the Earth’s crust.
C、Railsback has still ordered the elements according to the number of protons they have.
D、Raisback has listed some elements more than once.