| a long time ago；check；instruction；challenge…to；correctly；number；at first；count；invent；however |
a long time ago
a long time ago
.（2）
At first
At first
，the way they calculated things was very simple.For example，they tied knots（結） on the rope or used small sticks to（3）count
count
their belongings.After that，they invented（4）numbers
numbers
.The changing world（5）
challenged
challenged
peopleto
to
find new ways to calculate.The（6）invention
invention
of computers helped people a lot in dealing with numbers.Computers can take（7）instruction
instruction
and give out results（8）correctly
correctly
almost all of the time.（9）However
However
，for more difficult instructions，people still have to（10）check
check
the results.【考點】人與社會．
【答案】a long time ago；At first；count；numbers；challenged；to；invention；instruction；correctly；However；check
【解答】
【點評】
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發布：2024/6/27 10:35:59組卷：5引用：1難度：0.5
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2．
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3．根據短文內容回答下列問題
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