You should go to bed at 24．_____________．

You can not 23．_____________ after l0 p．m，

Finish your bath before 22．_____________．

Make your bed before you 21．_____________．

（    ）20．Where did Thomas Edison build his science lab?

     A．At school．       B．At home．          C．In his bedroom.

D．听填信息（本大题共5小题，每小题l分，共5分）

    下面你将听到的是一则住客须知。请根据所听内容，在空格内填入正确的单词。短文听两遍。

House Rules

（    ）19．Who found Thomas Edison a clever student?

     A．His mother．       B．His teacher．         C．He himself.

（    ）18．What did Thomas Edison's teacher think of him?

     A．Careful．       B．Clever．         C．Stupid.

（    ）17．How long did Thomas Edison stay at school?

     A．About sixty days.

     B．About ninety days.

     C．About one hundred days.

（    ）16．How old was Thomas Edison when he died?

A．47 years old．            B．73 years old．      C．84 years old.

（    ）15．Which of the following is NOT right?

    A．The girl will have an examination．

    B．The girl doesn’t get up late in the morning．

    C．The girl doesn’t study hard at school．

    C．听短文（本大题共5小题，每小题l分，共5分）

    请根据所听内容，在每小题所给出的三个选项中，选出一个能完成句子的最佳答案，并将其字母编号写在题号前的括号内。短文听两遍。