The city's meteorological observatory issued a white warning sign Thursday indicating the city's weather could be influenced by a tropical sand storm in the next two days.The meteorological ob...
作文地带题目：2011年12月英语六级考试作文范文之沙尘暴 Directions： For this part， you are allowed 30 minutes to write a composition on the topic Sandstorms. You should write at least 150 words， and base your composition on the outline giv
