Below is a text with blanks. For each blank, there is a list of choices. Select the appropriate answer choice for each blank.
There is a subtle difference between enduring continuance, which in other words is , and firmly adhering to one’s chosen course of action which is called obstinacy. Something of note here is the difference between the attitudes of scientists around the world. While some of them persistently work on some projects; others give them up at some or the other. A notable example here is Fleming. Fleming started doing work on penicillin in the late 20s. He tried his best to it but failed in his efforts. He wrote in 1932 that he discontinued working on penicillin and gave his as well. He said that it would never be useful and found it to be very . Later on, in 1941 Florey and Chaine started their efforts to purify penicillin. And because of their persistent efforts, they discovered a to purify it. Both of them along with Fleming were awarded the Nobel Prize.
Answer: (1) A. persistence; (2) B. stage (3) D. purify (4) B. reasons (5) C. unstable (6) B. process
Solution The text asserts that persistence pays. Note that some fillers constitute repeat words in the text. Even if the answer is difficult to find otherwise, it becomes so easy if the whole text has been overviewed in advance. For instance persistence' (1) has been repeated a number of times. So, is 'purify (3). Some scientists give up their project at some (2) stage or the other. Fleming gave reasons (3) why he discontinued. He found penicillin very 'unstable' (5), Florey and Chaine later discovered the process to purify (6) it.