1、一个小石块从空中a点自由落下，先后经过b点和c点，不计空气阻力，已知它经过b点时的速度为v ，经过c点时的速度为3v，则ab段与ac段的位移之比为（    ）

A、1：3       B：1：5       C、1：8        D、1：9

22、作文

题目            

                                                                  500

                                              600

                         700

                                                          750

     800

                                      850

2008―2009学年度修水一中高三第二次质检语文试卷

21、（1）（2分）                                                                 

（2）（2分）                                                                 

20、（5分）                                                                      

                                                                               。

19、（4分）不正确两项为                                

18、（7分）                                                                     

                                                                               。

17、（6分）                                                                    

                                                                               。

16、（4分）                                                                    

                                                                               。

15、（1）                               （1分）；                          。（1分）

（2）                                                                  （2分）

（3）                                                                  （2分）

（4）                                                                  （2分）

（5）                                                                  （2分）

14、①写景特点：（4分）                                                       

                                                                                。

②山客心境：（2分）                                                         

                                                                               。