夫妻离婚后，子女的抚养费应严格依协议或判决履行，（）A、不能再行变更 B、能增加，不

阅读下面短文，在短文的空格内填入适当的词，使其内容通顺。

（ 每空格限填一词）（本题共五小题，每小题2分，满分10分）

Liu Xiang is not an overnight success. He was born in Shanghai ___小题1:__ 13th July, 1983 and, like many Olympic sports stars, he started training when he was very __小题2:. In Grade Four, he went to the Junior Sports School of Putuo District of Shanghai. Liu was encouraged at first to train as a high jumper. Then, in 1998, his skill at hurdling was noticed by his _小题3:_____ Sun Haiping. In 2004, he __小题4:___ the first Olympic Gold medal for China in Athens, Greece. Now he is training hard to go for more __小题5:__for China. Just because he was trained for gold!

当肾小管分泌H增多时（）

A.葡萄糖重吸收减少

B.NH₃的分泌增多

C.HCO^-₃重吸收增加

D.K⁺的分泌减少

E.Na⁺的分泌增多

The news ________ we are having a holiday tomorrow is not true.   [ ]

A. which    

B. when    

C. what    

D. that

The greenhouse effect comes into being because of too much _______ in space. [ ]

A. ozone

B. carbon dioxide

C. carbon oxide

D. oxygen

医疗机构不需在12小时内向当地卫生行政部门报告的医疗过失行为是（）

A.造成患者一人死亡的

B.造成患者中度残疾的

C.造成患者轻度残疾的

D.造成患者器官组织损伤导致严重功能障碍的

E.同时发生三人人身损害后果的