25．Some people plan to _______ a volunteer project to help the disabled children．

    A．put up          B．think up        C．set up             D．cheer up

24．Students are told _______litter everywhere in the public places．

    A．not drop       B．dropping       C．to drop           D．not to drop

23．The young college student does a part-time job in the evening_______，he can pay for his schooling．

    A．In this way      B．In the way           C．In no way              D．By the way

22．一Morn，may I go to my friend’s birthday party?

    一Certainly．But you ________ be back by ten o’clock。

A．are able to     B．can               C．may         D．must

21．一Would you like to eat dinner with my family tomorrow?

   一________Because I am leaving for Beijing tomorrow morning．

    A．That would be great!                  B．I wish I could，but I can’t．

    C．I’d love to come．                D．It’s kind of you．

(   )20．Why did Einstein still stand in the rain?

    A．Because he had already been wet．

    B．Because he became lost in thought again．

    C．Because he was not afraid of rain．

(   )19．Was Einstein careful about how he lived?

    A．Yes，he was．           B．No，he wasn’t．  C．Sorry，we don’t know．

(   )18．What was Einstein?

    A．An explorer．      B．painter                 C．A scientist．

(   )17．What was the weather like then?

    A．Rainy．              B．Snowy．      C．Sunny．

(   )16．Who is Einstein waiting for?

    A．A neighbour．    B．His friend．         C．His wife．