任务型阅读 阅读短文，按要求完成各题。（5分）
CHENGDU - Public mourning was held on Saturday morning in Southwest China's Sichuan province for those who died in a 7.0-magnitude quake a week ago. Students lower their heads during a silent tribute to the victims of Lushan April 20 earthquake, in Lushan Middle School, Ya'an city, Southwest China's Sichuan province on April 27, 2013. The public mourning began with all transportation vehicles sounding their sirens at 8:02 am, the time the devastating earthquake hit on April 20, and was followed by a silent tribute of 3 minutes.
The quake has claimed nearly 200 lives and destroyed about 126,000 homes, according to official figures.
On Friday, the National Health and Family Planning Commission said in a statement that 1,516 wounded people, including 43 terminally-ill patients and 69 severe cases, are being treated in hospital in Sichuan.
More than 1.5 billion yuan ($243 million) has been allocated to quake victims, with 10 yuan and 0.5 kilograms of grain distributed daily to each person.
More than 87,000 tents, 233,000 quilts, 25,000 items of clothing and 3,393 tons of food have been provided by local governments. And 426 medical centers and 1,015 relocation sites have been set up as of Friday.
China's beverage maker JDB Group has announced a donation of 100 million yuan to Lushan, the largest donation thus far from any company in China.
Shu Yuhui, chairman of the Quan Jian Natural Medicine Science and Technology Development Co Ltd, also made a donation of 100 million yuan, making it the largest individual contribution for earthquake relief efforts.
小题1:根据短文内容完成句子填空（每空限填一个单词）。
In the first paragraph, we can know ____________ and ____________ public mourning was held for those who died in 7.0-magnitude quake a week ago.
小题2:根据短文内容完成句子填空（每空限填一个单词）。
The quake has claimed nearly 200 lives . (同义句)
Nearly 200 people____________ ____________ in this earthquake.
小题3:根据短文内容回答问题。 Have the companies made donations to Lushan?
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小题4:把短文中画底线的句子译成汉语。
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小题5:根据短文内容用一个完整的英文句子（限10个词以内）回答问题。
What should you do after you heard the 7.0-magnitude quake hit Ya’an?
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键断裂。如RCH==CHR′可氧化成RCHO和R′CHO，下列烯烃中，经氧化可得到乙醛和丁醛的是 （ ）