问题
完形填空
Which came first, the chicken or the egg? This is one of life’s __1__ questions and people have been debating about it for thousands of years. Now scientists believe they have solved this _2__. Researchers from Sheffield and Warwick Universities in England discovered the answer __3__. They used a super computer to observe the shell-making process while a new shell was __4__. Then they found one protein called OC17 that is __5__ for forming eggshell. This is only found inside a chicken’s body, which is proof that the _6__ came first. The team was __7__ looking at how animals and birds make eggshells but suddenly made their surprising __8__. The big question now is where chickens came from. The _9__ is from dinosaurs. The research team said eggshells are one of nature’s most __10__ creations. Professor John Harding from the team told reporters: “Understanding how chickens make eggshells is fascinating in itself, but it can also be __11__ in designing new materials.” Eggshells are very lightweight but incredibly strong. Even the most up-to-date materials __12__ by the world’s top engineers can not produce anything as __13__ as an eggshell. Professor Harding added that __14__ eggshells could help to cure bone diseases and design materials for the construction industry.“Nature has found wonderful ways that __15__ for all kinds of problems in materials science and technology — we can learn a lot from them.” he said.
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答案
小题1:C
小题1:A
小题1:B
小题1:D
小题1:A
小题1:C
小题1:B
小题1:D
小题1:A
小题1:D
小题1:B
小题1:C
小题1:A
小题1:C
小题1:B
小题1:C oldest“古老的”。
小题1:A puzzle“难题，谜团”。
小题1:B by chance“偶然”。符合题意。
小题1:D shell-making process“蛋壳形成的过程”，故选D。
小题1:A necessary，是蛋壳形成必须的。
小题1:C chicken“(小)鸡”，蛋白质OC17只存在鸡的体内，故先有鸡。
小题1:B originally“最初，起初”，起初在观察蛋壳如何形成时，
小题1:D discovery“发现”。“突然发现了这个现象”。
小题1:A“答案是鸡来自恐龙”。answer与question对应。
小题1:D根据文意知，选D，蛋壳是自然界最令人惊异的发明之一。
小题1:B helpful“有帮助的”。蛋壳能帮助组织新物质。
小题1:C designed“被......设计”。
小题1:A brilliant“灿烂的，光辉的”。形容蛋壳的优点。
小题1:C研究团队是在“研究”蛋壳。
小题1:B work for…“为......效力”。自然界蕴含解决各种问题的奇妙的的方法。