David Beckham was born in 1975 in London, at a place called Leytonstone. When he was a young boy, his greatest fervency was in football. He played it whenever he had the chance. Sometimes he would go and watch a game with his friends. When David Beckham was 12 years old, he won the Bobby Charlton Soccer Skills award. This was an important step forward for this young boy, and it led him to go for a visit to a football training camp in Spain. As a boy he played for schools of Essex and also for his county team.
In 1991, he became a trainee with Manchester United. This meant that he could practice foot- ball as much as he wanted to and play for the highly successful Manchester United Youth Cup team and Under-21 team. In April, 1995 he played his first football league game against Leeds Untied. During 1995 and 1996, David became a regular member of the team and Manchester United won in both football seasons, with David scoring many goals.
His goals made him a h
A. helped him to gain many prizes for Essex
B. kept him playing for Leeds United
C. offered him the chance to join the national team
D. made him popular in many British homes
色谱方法的种类很多，并且各类方法的原理、操作也不尽相同，但由不同方法检测得到的色谱图却是大同小异。结合色谱图可了解色谱分析中一些常用术语及相关参数。
在一定温度压力下，组分在固定相和流动相之间分配达到平衡时的浓度比值为（）
The Brazilian government has opened the first in a new generation of federal high security prisons which it hopes will help stop gang leaders continuing to operate from behind bars. It’s part of a long term program but follows an outbreak of violence in Sao Paulo which was ordered by jailed gang commanders and resulted in at least 120 deaths.
Inmates will be held in individual cells under video surveillance. Guards will wear clip microphones so their conversations with prisoners can be recorded. And X-ray machines will be used to spot guns, explosives and drugs. Brazilian officials will also hope the new prisons help them tackle 2 other problems with the country’s jails: riots often between rival gangs and escape bids which frequently get help from guards. But there is one potential problem: the Sao Paulo violence was sparked by dispute over the detention conditions of PCC leaders. It’s unlikely that any gang commander would go quietly to the federal gov
A. recording the conversations between guards and prisoners
B. holding prisoners in separate cells
C. storing enough guns and explosives
D. videotaping the actions of the prisoners
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