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 -高中英语-n多题

◎ 题干

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.

小题1:

A．strangest

B．best

C．oldest

D．longest

小题2:

A．puzzle

B．story

C．history

D．idea

小题3:

A．on purpose

B．by chance

C．without hesitation

D．at work

小题4:

A．breaking

B．changing

C．disappearing

D．forming

小题5:

A．necessary

B．easy

C．kind

D．impossible

小题6:

A．egg

B．eggshell

C．chicken

D．dinosaur

小题7:

A．obviously

B．originally

C．thoughtfully

D．surprisingly

小题8:

A．invention

B．mistake

C．statement

D．discovery

小题9:

A．answer

B．research

C．key

D．egg

小题10:

A．strange

B．ridiculous

C．funny

D．amazing

小题11:

A．hopeful

B．helpful

C．respectful

D．colorful

小题12:

A．bought

B．cut

C．designed

D．carried

小题13:

A．brilliant

B．ordinary

C．1ight

D．strong

小题14:

A．finding

B．watching

C．studying

D．making

小题15:

A．happen

B．work

C．wait

D．look

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◎ 知识点

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