【单选题】It was so bright outdoors that we could see clearly what was happening through the curtains ________ before the window.
【简答题】mblock中冒泡排序中使用的链表在哪个积木块内?
【简答题】So fire engines and ambulances in some advanced countries are now rushing around in bright yellow colors that stop traffic dead. (Passage 1)
【单选题】The boy was so bright and _______.
【判断题】土壤矿物质的化学组成 ,几乎包括地球上所有的化学元素。但缺乏作物生长所必需的氮素。