Unit 1Festivals around the world.单项填空1As the storm drew nearer, black clouds were_over the sky.Asmoothing BdisappearingCgathering Dpicking解析smooth使平整；使光滑；disappear消失；gather聚集；pick选择；挑选。句意：随着暴风雨的来临，乌云在天空聚集起来。答案C2The news shocked the public，_to great concern about students safety at school.Ahaving ledBledCleading Dto lead解析 考查非谓语动词。句意：这个消息震惊了社会，引起了公众对在校学生安全的极大担忧。此处为非谓语动词作结果状语。主语与lead是主动关系，故排除过去分词led；而having led表示动作发生在shocked
