下列关于SparkStreaming与Storm的描述，哪些是正确的的？

sparkStreaming的核心抽象是Dstream（） sparkStreaming的核心抽象是Rdd（） spark中sparkStreaming的核心是DataFrame（） The storm delayed us.（） the storm,we would have been in time. SparkStreaming的响应时间能够达到毫秒级（） SparkStreaming支持的数据输入源包括如下那些选项？（） ______ scientists know where a storm will happen,winds will suddenly change, carrying the storm to a new direction. ______ scientists know where a storm willhappen, winds will suddenly change, carrying the storm to a new direction. 下列哪一项不属于Storm的特点？ ___________ will the weather be like tomorrow –There will be a thunder storm. I don’t know _____ to do when the storm comes. SparkStreaming结果也能保存在很多地方比如如下那些选项？（） Spark生态系统组件SparkStreaming的应用场景是？ The class is__ because of the storm（） ane delayed taking off as we ran into a storm. We were ________ for several hours at the airport, waiting for the storm to clear up. The storm caused severe damage. The storm caused severe damage. But for the storm I ___________ much earlier. The book raised a storm of controversy. Thousands of people perished in the storm. The book raised a storm of controversy.