The team was originally looking at how animals and birds make eggshells but suddenly made their surprising
7
The big question now is where chickens came from. The
8
is from dinosaurs. 7.A. invention
B. mistake
C. statement
D. discovery 8.A.research B. answer
C. road
D. egg
The research team said eggshells are one of nature’s most amazing
9
. Professor John Harding from the team told reporters: “Understanding how chickens make eggshells is fascinating in itself, but it can also be
10
in designing new materials.” Eggshells are very lightweight but incredibly 11
9.A. creations
B. discoveries
C. inventions D. summaries
10.A.interesting
B. helpful
C. normal
D. correct 11.A.thin
B. soft
C. sharp
D. strong Even the most up-to-date materials designed by the world’s top engineers cannot
12
anything as strong as an eggshell. Professor Harding added that studying eggshells could 13
to cure bone diseases and design materials for the
14
industry.
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