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Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs' airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust. Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above? (A) Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks. (B) Researchers do not yet know what makes one person's messenger molecules more easily activated than another's. (C) Such a medication would not become available for several years, because of long lead times in both development and manufacture. (D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air. (E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started. 答案是D 但是我連題目都看不太懂 好心的牛人可以翻譯一下嗎 -- 日情蒐點名--郭勇志︰會怕就好 〔記者羅惠齡/台中報導〕今年日本出版的新球季日本職棒球員名鑑,在分析亞錦賽議 題中,將郭勇志列為台灣隊注目投手之一,郭勇志不好意思地表示,大概是去年成績不錯 ,被注意到了。將郭勇志列入要特別注意的球員,是因為他去年獲得聯盟救援王,控球 、直球速度及壓制能力都不錯,有機會獲國家隊青睞。看到自己被日本人注意到,郭勇 志意外之餘也表示︰「會怕就好。」 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 67.171.108.168