醫(yī)學(xué)全在線每日一練免費(fèi)為所有職稱英語考生免費(fèi)提供練習(xí)題，祝廣大考生順利通過2016年職稱英語考試。
閱讀理解：
"Many of life's failures,"the supreme innovator said,"are people who did not realize how close they were to success when they gave up." Before that magical moment in October 1879,Edison had worked out no fewer than 3,000 theories about electric light,but in only two cases did his experiments work.
No one likes failure,but the smart innovators learn from it. Mark Gumz,the head of the camera maker Olympus America Inc,attributes some of the company's successes in technology to understanding failure. His popular phrase is: "You only fail when you quit."
People often didn't realize how close they were to success when__________.
A.they are tired
B.they are hard working
C.they found himself an unsuccessful man
D.they quitted
正確答案：D
答案解析：通過兩個成功人士的名言："Many of life's failures are people who did not realize how close they were to success when they gave up.","You only fail when you quit."我們可以看出答案選擇D。
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