不好意思 因為傷咖上不去 所以有問題就只能來這裡請教了 想請問幾題CR的問題 Although fullerenes--spherical molecules made entirely of carbon--were first found in the laboratory, they have since been found in nature, formed in fissures of the rare mineral shungite. Since laboratory synthesis of fullerenes requires distinctive conditions of temperature and pressure, this discovery should give geologists a test case for evaluating hypotheses about the state of the Earth's crust at the time these naturally occurring fullerenes were formed. Which of the following, if true, most seriously undermines the argument? (A) Confirming that the shungite genuinely contained fullerenes took careful experimentation. (B) Some fullerenes have also been found on the remains of a small meteorite that collided with a spacecraft. (C) The mineral shungite itself contains large amounts of carbon, from which the fullerenes apparently formed. (D) The naturally occurring fullerenes are arranged in a previously unknown crystalline structure. (E) Shungite itself is formed only under distinctive conditions. 這題找反駁 但我其實看不太出來D和原文的反駁怎麼建立的? 我選了B 錯了 想請教 -- "在這一年 我找到了光芒 在日復一日 整日黑闇的人生中 我終於找到了屬於我的光芒" --

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