圆锥动力触探的试验成果可用于以下（）方面。（） A.利用触探曲线进行力学分层 B.评

从扩展名来看，以下文件属于音乐文件类型的是（ ）。

A．gif

B．mp3

C．bmp

D．txt

在具备一定规模的公司里，高层领导常常会对如何评估各部门负责人的业绩问题感到困惑。以下是几种关于依据什么衡量管理人员业绩的提法，你最赞同其中哪一提法（）。

A.各人所辖部门对企业整体目标的贡献

B.各人自身对于企业整体目标的贡献

C.各人对于实现部门及企业整体目标的贡献

D.各人所在部门人员的目标与企业整体目标的一致性

对于城市与区域的关系，下列哪种说法是不妥当的

A．每个城市都有相对应的区域

B．从城市在区域中的作用研究城市性质

C．对城市的研究不受到区域的影响

D．城市的发展对区域有促进作用

具有腐蚀作用的药物是( )

A．九黄丹
B．五五丹
C．以上都不是
D．八宝丹
E．红灵丹

Eddie McKay, a once forgotten pilot, is a subject of great interest to a group of history students in Canada.

It all started when Graham Broad, a professor at the University of Western Ontario, found McKay’s name in a footnote in a book about university history. Mckay, was included in a list of university alumni who had served during the First World War, but his name was unfamiliar to Broad, a specialist in military history. Out of curiosity, Broad spent hours at the local archives in a fruitless search for information on McKay. Tired and discouraged, he finally gave up. On his way out, Broad’s glance happened to fall on an exhibiting case showing some old newspapers. His eye was drawn to an old picture of a young man in a rugby uniform. As he read the words beside the picture, he experienced a thrilling realization. "After looking for him all day, there he was, staring up at me out of the exhibiting case," said Broad. Excited by the find, Broad asked his students to continue his search. They combed old newspapers and other materials for clues. Gradually, a picture came into view.

Captain Alfred Edwin McKay joined the British Royal Flying Corps in 1916. He downed ten enemy planes, outlived his entire squadron as a WW1 flyer, spent some time as a flying instructor in England, then returned to the front, where he was eventually shot down over Belgium and killed in December 1917. But there’s more to his story. "For a brief time in 1916 he was probably the most famous pilot in the world," says Broad. "He was credited with downing Oswald Boelcke, the most famous German pilot at the time." Yet, in a letter home, McKay refused to take credit, saying that Boelcke had actually crashed into another German plane.

McKay’s war records were destroyed during World War Two air bombing on London-an explanation for why he was all but forgotten.

But now, thanks to the efforts of Broad and his students, a marker in McKay’s memory was placed on the university grounds in November 2007. "I found my eyes filling with tears as I read the word ’deceased’ next to his name," said Corey Everrett, a student who found a picture of Mckay in his uniform. "This was such a simple example of the fact that he had been a student just like us, but instead of finishing his time at Western, he chose to fight and die for his country.\

What made Professor Broad continue his search for more information on McKay（）

A．A uniform of McKay.

B．A footnote about McKay.

C．A book on McKay.

D．A picture of McKay.