第三篇
# }9 R9 q: [! [* M0 p" i Exercise Lowers Employers‘Health Costs
( D1 u4 }6 Z( [3 K8 Q Companies can save millions in health-care costs simply by encouraging their employees to exercise a little bit,researchers reported on Friday
# V% \: a8 D# v8 j% J- \# c, x They said obese(肥胖的)employees had higher health。care costs,but lowered those expenses by exercising just a couple of times a week——without even losing any weight.
& T7 t7 Q; y( y+ q. Z8 w% D0 Q( x Feifei Wang and colleagues at the University of Michigan studied 23,500 workers at General Motors.+ | R9 x }9 w
They estimated that getting the most sedentary(惯于久坐的)obese workers to exercise would have saved about$790,000 a year.or about 15 percent of health—care costs for the whole group Company—wide,the potential savings could reach$7.1 million per year,they reposed in the Journal of Occupational and Environmental Medicine." E! t+ i x L9 z
Of the whole group of workers,about 30 percent were of normal weight,45 percent were overweight(超重的),and 25 percent were obese.Annual health—care costs averaged$2,200 for normal weight,$2,400 for the overweight,and$2,700 for obese employees.
) h5 I9 K% _2 U* | X But among workers who did no exercise,healthcare costs went up by at least $100 a year,and were$3,000 a year for obese employees who were sedentary.
( z! ]& T: h: G v9 n* } But adding two or more days of light exercise——at least 20 minutes of exercise or work hard enough to increase heart rate and breathing——lowered costs by on average$500 per employee a year,the researchers found.
+ T" M( ~' \ R- t0 y/ l 41 How can employees help lower the health—care costs?
6 g- L6 E$ t9 f A By taking more rest.* h. R/ {; |) I+ f# V: o
B By eating less.
4 M& \) O4 @3 ?6 t1 v C By exercising a little bit.
4 j' |" ~* z8 k! p D By saving more money.
: Z+ x# j* j: a, [ K2 P/ Y 42 By encouraging its employees to exercise General Motors could save
: q, H! T8 E D7 m# l/ | A $790,000 per year.
& w8 p/ g' |/ g5 d8 Q# x0 I B $7.1 million per year.' m4 \' c+ \# |4 L2 v
C $3,000 per year.
0 ]" _% o! }' s, X8 D D $7,300 per year.
4 ^5 ~# I6 l. V/ H6 x" ^9 N 43 How many workers in General Motors were NOT of normal weight?! T0 }" ]- r- V" O
A Seventy percent.3 b7 x, ]1 j# g" p9 y7 i+ d
B Thirty percent4 S U6 G9 [' J2 @6 d: p& L
C Forty-five percent6 Y/ W, f9 }1 G: T6 F
D Twenty—five percent.
1 w8 S# ~ J+ \) p. W 44 For which group of the workers were the health—care costs the highest?; F$ w% I' t4 O" Y# J
A The employees of normal weight.
k& X. X5 c2 w# Z& U B The overweight employees" l0 ^8 L* d- x! M% N7 D+ h
C The obese employees.
9 W$ Z; w; z6 Y8 x6 | D The sedentary obese employees6 [* E" J* h. V; `: k2 m1 t7 V) C; d
45 How often should the employees exercise to help lower the health-care costs?6 o' t, j. I; d7 @$ l
A At least seven days a week
6 U% q3 G0 N, m. { B At least twenty minutes a week
' y, x5 A, v* @/ v! R C At least twice a week: C+ }2 }& O) m0 a3 Z
D At least once a week |