Passage 47 It's hard to imagine two societies that deal with their elders as differently as the U.S. and China. And I am pretty sure about that. My wife Junling is a Shanghai native. Last month 1 the first time we visited my father at a nursing home ( 养老院 ) in the U.S. She 2 (shake) by the experience and later told me, “You know, in China, it’s a great shame 3 (put) a parent into a nursing home.” In China the tradition has been straightforward for centuries: parents raise children; then the children care for the parents as they become old. For example, Jiang Xiaoli,a high school teacher, and his wife recently bought 4 new, larger apartment in Shanghai. They did so 5 (part) because they know that in a few years, his parents will move in with them. Jiang’s parents will help take care of Jiang’s daughter, and as they age, Jiang and his wife will help take care of 6 (they). As China slowly develops a better and 7 (reliable) social-security system for retirees — 8 it has begun — the economic necessity of 9 (generation) living together will reduce a bit. But no one 10 (believe) that as China gets richer, the family affection will change too much. Passage 48 A company in the USA is paying its workers to sleep more. Staff at the insurance company Aetna will get $100 a year 1 (add) to their salary if they get at least seven hours of sleep a night. They will get just over a dollar for each night they sleep over seven hours. The idea behind this plan is employee 2 (perform). Human resources 3 (official) say workers will work more effectively if they have slept well. A workforce that is more rested means the company will perform 4 (well). Staff can either record their sleep automatically, 5 (use) a wrist monitor, or record by hand how long they have slept every night. 6 number of studies warn that not sleeping enough can affect our ability to do our job. The American Academy of Sleep Medicine said that the average worker in the USA loses 11.3 working days of productivity a year from a lack 7 sleep. This 8 (cost) companies about $2,80 for one worker. It estimates ( 估计 ) that the US economy loses $63.2 billion a year mainly 9 workers do not sleep more than seven hours a night. A 2015 study by the Rand Corporation showed that staff members sleeping less than seven hours per night 10 (find) far less productive than workers having eight or more hours of sleep.