19．
Techniques（技术）used in the fireworks（焰火）displayed at the opening ceremony of Expo 2010 Shanghai will be popularized and widely used for fireworks in the future．
The fireworks employed special-effect technologies to project the logo（标识） of Expo 2010 Shanghai in the sky on the night of the opening ceremony．The research and development of the special technique took three years to perfect the firework for the first time that night．
In the future，people may use fireworks to design words like"Happy Birthday"and flowerson special moments．
NEWS2．
With the visitors，comes the garbage．
The large number of visitors to Expo 2010 Shanghai are bringing traffic pressure，long lines at many pavilions（展览馆），and also more waste．
About 160，000 visitors a day during the first five days of the Expo operation（运转）created nearly 200 tons of waste each day．
"Expo organizers have been trying to promote（推广）waste separation（分类） by putting separated bins for different types of waste．However，the idea has been poorly received by the visitors and not many people have put waste into separated bins．"authorities said．
NEWS 3．
Collecting Expo passport（护照）stamps（印章）from pavilions has become so popular that the passports are sold out soon after the gates open every morning at the Expo Garden．They are now one of the hottest at the Expo Garden．
On Saturday，the opening day of the Expo，the 110，000 Expo passports were sold out within a few hours，leaving more than 100，000 visitors disappointed．Because of the shortage，visitors are coming up with creative ways to collect the stamps without using the 30-yuan passports．Hou Peiqi is one of thousands of visitors to the Expo Garden who failed to get an Expo passport．
In the face of such a shortage，some visitors have been creative，asking pavilion staff to stamp their maps，books，newspapers and even T-shirts．
71．把下面的标题与相应段落的信息匹配．
a．Passports become hot at the Expo
b．High technique fireworks
c．Trash results at the Expo
News 1．b News 2．c News 3．a
72．从文中找出与所给意思相同或相近的句子．
Visitors are thinking up some other ways to collect the stamps besides the 30-yuan passports．Visitors are coming up with creative ways to collect the stamps without using the 30-yuan passports
73．把句子With the visitors，comes the garbage．翻译成汉语．
随着游客的到来，产生了大量的垃圾
74．回答问题．
How many visitors during the first five days came to the Expo？About 800，000 visitors
75．根据三段信息，完成下面的表格．
| Who | What to do |
| People | spent three years （1）on the research and development of |
| the special technique to perfect the fireworks． |
| The large number of visitors to the Expo | are bringing （2）traffic pressureong lines at many pavilions，（3）more waste |
| Visitors | collect the stamps in the Expo passports or ask the pavilion staff to stamp （4）their maps（5）books（6）newspapers（7）T-shirts |
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