段2：①As a result, the modern world is increasingly populated by intelligent gizmos whose presence we barely notice but whose universal existence has removed much human labor. ②Our factories hum to the rhythm of robot assembly arms. ③Our banking is done at automated teller terminals that thank us with mechanical politeness for the transaction. ④Our subway trains are controlled by tireless robot-drivers. ⑤And thanks to the continual miniaturization of electronics and micro-mechanics, there are already robot systems that can perform some kinds of brain and bone surgery with submillimeter accuracy—far greater precision than highly skilled physicians can achieve with their hands alone.
47. The word “gizmos” (Para. 2) most probably means
[A] programs.
[B] experts.
[C] devices.
[D] creatures.
答案：C
问：如下哪个选项不是用来举例说明gizmos的作用的例子？
A : Robot assembly arms equipped in factories
B : Tireless robot-drivers controlling subway trains
C : Surgeries with high accuracy performed by physicians
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