根据短文内容和所给汉语提示，写出短文空白处各单词的正确形式， 每空限填一词。

      Liu Xiang was 1______ (出生) in Shanghai, He started 2______ (训练) when he was 3______ (年轻).

And now he is well 4______ (出名) all over the 5______ (世界). Liu Xiang 6______ (将要) also be asked to

appear in advertisements and 7______ (电影), and even to record 8______ (音乐). He will be chosen to

represent 9______ (中国) at the Olympic 10______ (运动).

有A、B、C、D、E、F六种物质，A、F是黑色粉末状固体；B是有剧毒的无色气体；D是一种金属，它在地壳中的含量仅次于铝。这六种物质间相互转化关系如图，试推断它们各是什么物质？写出它们的化学式：

A           ，           B           ，            ，

C            ，            D            ，           ，

E            ，             F              ，              。