(一)
(2011·课标全国)
in our discussion with people on how education can help them succeed in life, a woman remembered the first meeting of an introductory __1__ course about 20 years ago.
the professor __2__ the lecture hall, placed upon his desk a large jar filled with dried beans (豆), and invited the students to __3__ how many beans the jar contained. after __4__ shouts of wildly wrong guesses the professor smiled a thin, dry smile, announced the __5__ answer, and went on saying, “you have just __6__ an important lesson about science. that is:never __7__ your own senses.”
twenty years later, the __8__ could guess what the professor had in mind. he __9__ himself, perhaps, as inviting his students to start an exciting __10__ into an unknown world invisible (无形的) to the __11__ , which can be discovered only through scientific __12__ . but the seventeeny资源难易程度:★★★★★★★★★★★★★★★
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