Which came first, the chicken or the egg? This is one of life’s ______ 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 ______ questions and people have been debating about it for thousands of years. Now scientists believe they have solved this ______. Researchers from Sheffield and Warwick Universities in England discovered the answer ____. They used a super computer to observe the shell-making process while a new shell was ____. Then they found one protein called OC17 that is ______ for forming eggshell. This is only found inside a chicken’s body, which is proof that the ______ came first. The team was ______ looking at how animals and birds make eggshells but suddenly made their surprising ______. The big question now is where chickens came from. The ______ is from dinosaurs.
The research team said eggshells are one of nature’s most ______ creations. Professor John Harding from the team told reporters: “Understanding how chickens make eggshells is fascinating in itself, but it can also be _____ in designing new materials.” Eggshells are very lightweight but incredibly strong. Even the most up-to-date materials _____ by the world’s top engineers cannot produce anything as ______ as an eggshell. Professor Harding added that ______ eggshells could help to cure bone diseases and design materials for the construction industry. “Nature has found wonderful ways that ___ 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．Closest

小题2:

A．puzzle

B．fact

C．history

D．opinion

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．road

D．egg

小题10:

A．common

B．ridiculous

C．funny

D．amazing

小题11:

A．interesting

B．helpful

C．normal

D．correct

小题12:

A．bought

B．cut

C．designed

D．carried

小题13:

A．brilliant

B．ordinary

C．1ight

D．small

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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◎ 解析

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