_____ is known to us is that the 2012 Olympic Games will take place in London．

I didn’t go to class last night because my car broke down. — You _______ mine. I wasn’t using it.

Please tell me________. I havesome gifts for him.

traditional Chinese medical records, Youyou Tu rediscovered an ancient plant-based treatment for malaria that worked ________ modern therapies failed.

填入下面文段空白处的词语，最恰当的一组是手机里存储的数据都是由0和1排列而成的二进制数字组成的，它们__①__会占用存储器的物理空间，___②__能让手机变得“更重”，__③___增重太过微小，难以察觉，存储的字节__④_会有物理重量，__⑤__闪存用捕获电子的办法来区别0和1的符号串——当电子的数量一定时，__⑥__被辈捕获的电子就会获得更高的能级，从而质量就会增加。 ①②③④⑤⑥