Writing. (书面表达)

      假如你叫Han Meimei, 现在杭州二中上学。 你的笔友Mary邀请你去参加聚会。 请你用英语写一封给Mary。 要点如下：

      1. 你很抱歉，不能去。

      2. 你母亲病了，医生叫她卧床几日， 你要照顾她。

      3. 谢谢她寄来的漂亮的明信片， 你很喜欢， 将它放在书桌上。

      注意：

      1. 信要通顺连贯。

      2. 词数50左右， 开头和结尾已给出，不计入总数。

                                                                                                                                No.1Middle School

                                                                                                                                Qingzhou 

                                                                                                                                 March 8, 2006

Dear Mary, 

      Thank you very much for inviting me to your party.                                                                             

       Give my wishes to your family. 

                                                                                                                                            Yours

                                                                                                                                            Han Meimei

肾盂输尿管连接处梗阻常用的辅助检查有( )

A．肾穿刺活检

B．静脉肾盂造影

C．尿流动力学检查

D．B超

E．消化道造影