小题1:The information about the 2012 European Cup is ______ (可获得的) on these websites.

小题2:The police thought there may be more _______ (原因) of the accident, so they kept on searching for clues.

小题3:_______________ (无论如何), I won’t give up trying until the end.

小题4:Some parents don’t realize that ________ (比较) their children with others’ is not good for their own children’s growth.

苍蝇、蚊子、蟑螂、老鼠会传播疾病，以下配对错误的是（）

A、苍蝇——痢疾

B、蚊子——疟疾

C、蟑螂——丝虫病

D、老鼠——鼠疫