完形填空
阅读下面短文，掌握其大意，然后从1—20各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
“I failed to protect you.” That was the message posted online by Du Yijun’s boy friend. He was with the 21-year-old Fudan University student as she died in the crush of the New Year's Eve crowd on the Bund.
Du was one of the 36 people who died that night when a holiday celebration _____ into a terrible tragedy. Authorities say overcrowding and the _____ of the police to control the crowds were the main reasons why it happened.
For the last three New Year’s Eve celebrations, a light show on the Bund had ____ large crowds and a large police presence, but this year the light show was cancelled and there were fewer police on hand. But the crowds came _____. About 300,000 people were on the Bund by 8:30 that evening and more kept ______until all hell broke loose around 11:30.
For some unknown reason, on a stairway _____ up to the riverfront viewing platform, a sense of _______ overtook the crowd and they began to stampede(蜂拥).Some people ______ on the stairs and were stepped ______ to death. More lives would have been _____had it not been for a group of brave young men who urged the crowd to _____.
Crowd _____ like the one on the Bund happen all over the world and they are becoming more _____.According to one study, human stampedes have more than doubled in the past two decades. In recent years, hundreds of people have died at ____ festivals, football games and rock _____— all caught in the crush of panicked crowds.
In Shanghai, authorities have reacted to the Bund tragedy by cancelling or scaling back big events. But this isn't really necessary. Better planning and better crowd ____can ensure safe celebrations.
______, if you're going to a place where there will be a big crowd, you should take notice of where the exits are and, if the crowd becomes large, ____ away from the center. And most ______, if the crowd seems too big and makes you feel uncomfortable, just leave. No celebration is ____ losing your life.

A．made B．got C．turned D．broke

A．justice B．failure C．exchange D．disappearance

A．attracted B．invented C．removed D．promised

A．anyway B．always C．ever D．sometimes

A．pushing B．calling C．arriving D．occurring

A．causing B．leading C．serving D．reaching

A．shame B．loss C．security D．panic

A．hit B．dropped C．buried D．fell

A．completely B．heavily C．publicly D．incorrectly

A．complained B．removed C．lost D．passed

A．run away B．stand up C．put away D．calm down

A．campaigns B．disasters C．atmospheres D．damages

A．frequent B．major C．enormous D．vast

A．quiet B．nervous C．religious D．serious

A．music B．gallery C．concerts D．locations

A．cry B．cheers C．gather D．control

A．Therefore B．However C．Thus D．Moreover

A．move B．jump C．push D．slide

A．absolutely B．hopefully C．sadly D．importantly

A．worth B．equal C．valuable D．popular