请根据句意及首字母提示，写出所缺单词。

小题1: He often s________ for some useful information on the Internet.

小题2: When I was young, I was very a________ of snake.

小题3:We all know that the Moon moves around the E________.

小题4: I want to see English films to improve(提高) my English, but they speak too q________ for me to catch their meaning.

小题5:How s________ the cat is! It has only three legs.

《道路交通安全法》规定：“高速公路限速标志标明的最高时速不得超过( )km。”

A．80
B．100
C．120
D．150