Part One (paras 1-3):A young husband and father, Albert Einstein had to work hard to ________ his family.
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Part Two (paras 4-12):Einstein made astonishing achievements in ________ and thus ________ the field.
Part Three (paras 13-21):Einstein’s discoveries were attributable to his ________, endless _________, disregard for ________, powers of ________, and ________ in science and technology.
Part Four (paras 22-23):Einstein was not a ________. (两个词)
Expressions related to security in Chinese.