阅读短文，判断正(√)误(×)。

      It is going to rain. I will go home quickly. Suddenly  (突然) I see a grandma walking slowly.  So

I take the grandma on my bike. It is raining.  I say,  "Grandma,  let's shelter (避雨)?" When it stops

raining, I take her back to her home. Then I go home.       

( ) 1.  It is going to rain

(     ) 2.  I will go home slowly

(     ) 3.  It stops raining,  when I go home

(     ) 4.  I take the grandma back to home

(     ) 5. I see a grandma walking quickly.

公有制与市场经济相结合的有效途径是

A．建立现代企业制度

B．完善市场体系

C．加强宏观调控

D．健全社会保障体系