题目

三峡大坝是一座混凝土重力坝，靠自身的重量就可以满足稳定条件，并有相当高的安全系数。这样的结构可以保证三峡大坝每个坝段都可以独立承担相当的压力。它体现了下面那种结构类型的特点（ ）？ A . 实体结构 B . 框架结构 C . 壳形结构 D . 组合结构 答案：DIn December of l 992．I was a happy husband and father of two young children．A month later，I was diagnosed with Acute Lymphoblastic Leukemia(急性白血病)．After two years of chemo(化疗)that helped control the disease，my body was weak and lifeless．I felt as if I were a puppet who needed help to lift his arms or hold up his head．I began to run．After six months my strength had come back．On one of my runs，one where I felt I could run forever，I decided I was going to try to run a marathon．After telling my Dad about my plan，he told me of a program that trains people to run a marathon，while raising funds for Leukemia research at the same time．So that summer，through the Leukemia Society’s Team in Training program，I started to train for the Marine Corps Marathon．During mile after mile of uncertainty，the day finally came to run the marathon．On October 27，1996，at 8 A．M．，along with l9,000 other brave souls I started on a 26.2-mile journey that I will never forget．I first saw my wife Patty at the six-mile mark . She seemed happy that I was still looking as if I knew what I was doing，and having a good time doing it．At Mile l7，my mind was going back to those two horrible years that tried to bring my family and me down．I saw her again．The concern in her face told me she knew I was starting to struggle．I felt as if we were thinking the same，nine more miles and these last few years will be behind us．That thought alone pulled me forward．Mile 22，23，slowing but going，24，25，then there it was．The Iwo Jima War Memorial．I have seen nothing so grand and inspiring in my life．Three hours and forty-one minutes after I started，I crossed what I think has to be the most fitting finish line in all of road racing!That night the Leukemia Society gave me a pin at a post-race party that simply says，“Leukemia 26.2”．If God wills，my cancer may once again take away my hair and my strength，maybe even my life．But it can never take away my pin，or the fact that I am a marathoner .小题1:The writer decided to run a marathon because __________ .A．he wanted to raise money for Leukemia researchB．he believed he was able to take the challengeC．he hoped to recover his strength through trainingD．his dad knew about the race and made the suggestion小题2:Which statement is RIGHT about the writer?A．He has always been dreaming of becoming a marathoner．B．The training he took that summer well prepared him for the race．C．Those running in the race were mostly Leukemia patients like him .D．His wife was with him during the marathon to give him support．小题3:Why does the writer think the finish line is the most fitting?A．Because running a marathon is the most suitable sport for him．B．Because the memorial is the most powerful construction he has seen．C．Because he considers it a victory over his disease to finish the race．D．Because 26.2 miles is the most reasonable distance for road racing．小题4:Which of the following can best describe the writer?A．Optimistic and outspokenB．Strong-willed and determinedC．Generous and easy-goingD．Brave and warm-hearted