阅读理解题提分演练
作者:孙启文 发布时间:2018-06-11 11:36:56 本文来源于:《高中生·天天向上》2018.6
  Passage 1

  Many comic books have characters that challenge everything we know about physics and biology. A man who heals from bullet wounds in seconds. A hero brought to his knees in the presence of a mysterious element. A heroine who carries a rope that forces someone to tell the truth. While it can be fun to imagine how such abilities could exist,most comic book heroes resist science;they don’t teach it. The American Physical Society is trying to change that with Spectra.

  Lucy is an ordinary middle school student at Nikola Tesla Middle School. She likes to spend science class with friends. Then one day,she discovers a very personal connection with physics. She’s a human laser!When the girl’s friends go missing,Lucy becomes the superhero Spectra. To save her friends,she uses her laser powers to fly,cut through walls and appear in many places at once.

  Spectra’s adventures also show important physics lessons. Each comic book provides science projects that go along with the story. Melting Hershey Kisses suggests how different metals conduct heat. Stirring ketchup into water shows what different viscosities—or the“thicknesses” of fluids—look like. Numbers and other data from each experiment provide the information that Spectra and her friends can use to save the world from the villain of the week.

  The concepts might be confusing,however,without the aid of a lesson plan. Spectra saves the world with her laser powers. But the comic book never fully explains what a laser is,how diffraction works or why different wavelengths of light appear as different colors. The comic also refers to products that use lasers. Yet it never actually shows how these products(such as iPods) make use of that technology. Having a teacher around to provide definitions and details will help readers glean the most from Spectra’s tales and the recommended experiments.

  The American Physical Society developed the series,and produced the first issue in 2009. There are now five issues to choose from. Spectra’s tales are free on its website. Teachers can also download a special(and free)edition.

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