Maria lives in the beautiful countryside．She usually gets up early in the morning，1she's never late for schoo1．After getting up，she often showers and has a good breakfast．Then she2 for school at around 6：303her home is very far from schoolshe likes riding her bike better than4the bus．It takes her about an hour5her bike．It's so long! On the way，she sings and sings so she always feels6．Also she thinks that it's good for her health7to school by bike．
   After school she usually goes back8with her friend，Linda．Linda’s home is nearer than Maria's． It's only three miles from her home9schoo1．Linda likes riding，too．And she also thinks that it is a good10of transportation．

下列关于生物圈的叙述，错误的是（    ）

元朝完成统一全国使命的是（ ）

根据句意和汉语注释，写出单词的正确形式，每空限填一词。