4. Which of the following could be the best title for the text?
A.Stolen Laptop Was Found
B.The Use of Hidden App
C.The Story of a Stolen Laptop
D.Stolen Laptop Spied on New Owners
B
It's a question we often think over, especially as we age: how many years do I have left? Thanks to Brazilian physician Claudio Gil Araujo, there's now a simple test you can perform right at home, in just a few seconds, that could predict how many years you have left to live.
Araujo came up with the test after noticing that many of his patients, especially older ones, often
have difficulty with simple feats of balance and strength, such as picking something up off the floor, or getting up out of a chair. Since balance and conditioning problems are known to aggravate the risk of dangerous falls and accidents, which might add chances to death, he wondered if a patient's flexibility, balance and strength could be used as a measure for life expectancy (寿命).
Of course, the test also needed to be simple. If it required expensive equipment or measuring devices, the test probably wouldn't be accessible to many people. So Araujo developed the sittingrise test, or SRT. It requires no equipment and can be performed within seconds.
It's recommended that you wear comfortable clothing. Begin by standing upright in the middle of a room. Without using your arms or hands for leverage (杠杆装置), carefully squat (蹲) into a crosslegged sitting position. Once you're comfortable, attempt to stand back up from the sitting position — again, without using your arms for help. The test is scored on a point range between 1 and 10. Each time you use an arm or knee for help in balancing during the test, you reduce one point from 10 possible points. Half a point is reduced each time you lose balance.
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