现行的《地表水环境质量标准》(GB 3838—2002)中，对总磷的监测分析方法是(

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的内容（不多于3个单词）或者用括号中词语的正确形式填空。

Two things I did may have caused people     小题1:  (think) that something is wrong with me. The first was when my wife asked me to have the sitting room clock     小题2:   (repair). I drove into the market place of our little town and, clock under arm, entered a shop. Only it was the meat shop,     小题3:   my thoughts far away, I stood staring into the shopkeeper's eyes. I   小题4:  (be) his customer for a long time and the good man smiled at me.

This went on for several very long seconds before I realized where I was. There is no doubt that I should have calmly bought a pound of meat, 小题5:    I merely nodded briefly and left.

The other man in my town who probably thinks I am mad is Mr. Smith. Some years ago he was manager of Mead's Shop, and he and I knew each other quite well. One day he     小题6:   (stand) in the doorway of his shop when I passed.My brain was on some distant problem and my eyes stared into space.

“Hello, Mr. Herriot.” I heard his voice. I turned a blank gaze on him — I just had no idea    小题7:  he was though his face was familiar. Then I saw 小题8:__     word “MEAD” in foot­high letters above the shop window.

“Good morning, Mead，” I cried heartily and continued my way. I had gone only a few steps before I realized that my greeting had been  小题9: (polite). I turned back and said to him again, “Good morning, Mister Mead.”

It was only when I has turned the corner of the street that I realized, too late,    小题10:   his name was Tony and the time was late afternoon.

污染物通过地下岩溶孔道进入含水层造成地下水污染属（）污染。

A.间歇入渗型

B.连续入渗型

C.越流型

D.经流型

以下描述不正确的是（）。

A.房室结的血供通常来自左冠状动脉

B.希氏束为索状结构，起自房室结前下缘

C.心脏传导系统接受迷走与交感神经支配

D.窦房结位于上腔静脉入口与右心房后壁交界处

E.窦房结动脉起源于右冠状动脉者占60％

按建标[2003]206号文的规定，在建安工程造价中，安全施工费=（）×安全施工费费率。

A．人工费

B．直接工程费

C．材料费

D．直接费

一位分析师为准备调研报告而阅读了国际金融惯例研究。另外，他也阅读了在最佳杂志上发表的同一研究的摘要。该分析师并没有利用最佳杂志所提供的分析。关于“守则”和“准则”中原始资料的使用，该分析师在他的调研报告里应列入下列哪些参考文献（）。

A.国际金融惯例研究否、最佳杂志是

B.国际金融惯例研究是、最佳杂志否

C.国际金融惯例研究是、最佳杂志是