Proofread the passage as required, each indicated line contains a maximum of one error. Correct the passage in the following way: for a correct line, put the sign "√" in the corresponding blank; for a wrong word, underline the wrong word and write the correct one in the blank; for a missing word, mark the position of the missing word with the sign "∧" and write the word you believe to be missing in the blank; for an unnecessary word, cross the unnecessary word with the sign "" and put the word with the sign "" in the blank.
The age of requiring retirement in companies should be raised, and so 1
should the age to begin Social Security. First of all, older workers who
remain healthy are valuable workers. Although they may lose some mental 2
speed, their accumulate, experience more than compensates for the 3
loss of quickness. In fact, compared with youngsters, older persons may
take long to make a decision, but it is usually a better one. Many studies 4
have shown that the quality of job performance improves with age. Furthermore,
raising the retirement age would prevent from some of the dire economic 5
consequences what senior workers face when they are forced to retire before 6
they .need to Nearly 60 percent of workers in the private sector should
be allowed to continue working with economic reasons. Fortunately, these 7
people don’t have to furnish a home, raise children, and pay for educational
expenses. Similarly, raising the age that retirement begins could also mean 8
raising the age that Social Security payments begins. As a result, the cost of 9
one of our country’s biggest financial burdens will go under. 10