---In recent years, problem of global warming had been very serious. ---That is right. People are facing number of natural disasters now.
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推荐题目
Even if you are in rush, pushing someone so that you can get into an elevator (电梯) is just bad manners.
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I wonder what it feels like to be one of______really rich. The Jenkinsons already have two Rolls Royces and now they are buying ____ third!
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-- What do you think of ____opening ceremony of the national games? --It is simple but ____great success.
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Mar Levine, ____ scientist at University of Pennsylvania, US, has found that competitive eaters have stomachs that can expand like ____ balloon.
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For a long time they walked without saying ____ word. Jim was the first to break ____ silence.
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