stance.
To investigate how important exercise is to older adults, Visser's team interviewed 3,075 men and (55) between the ages of 70 and 79, all of whom said they had no problems walking one-quarter of a mile or climbing (56). The investigators followed the subjects for 4-1/2 years, noting who developed problems (57) and climbing stairs.
During the study, 34 percent of men and 47 (58) of women said they began to struggle with walking and climbing stairs. People (59) were inactive were twice as likely to report these problems as people who said they got regular exercise.
People who didn't exercise but had active lifestyles appeared to be at a somewhat higher risk of developing （60） walking and climbing stairs， relative to people who exercised （61）。 Still，leading an active lifestyle appeared to protect people （62） problems better than being generally inactive， the researchers report in the Journal of the American Geriatrics （老年医学）Society.
Among people who were inactive，（63）who walked even a little bit such as brisk （轻快的）walking for a little over an hour per week - were at a lower （64）of mobility （可动性） problems.
"If you do not like to exercise or you cannot exercise (65) of serious health problems or functional limitations, do try to be as active as possible, " Visser advised.
51 A young B new C still D active
52 A than B so C as D to
53 A suffer B benefit C result D start
54 A looking B appearing C seeming D staying
55 A children B people C women D youths
56 A mountains B stairs C trees D walls
57 A jumping B walking C running D jogging
58 A percent B numbers C hundreds D dozens
59 A which B whom C those D who
60 A symptoms B issues C problems D chances
61 A rarely B openly C exactly D regularly
62 A from B into C on D of
63 A these B that C few D those
1 C 2 B 3 A 4 D 5 B
6 A 7 A 8 B 9 C 10 B
11 D 12 C 13 A 14 B 15 D
16 A 17 B 18 C 19 B 20 A
21 C 22 B 23 B 24 D 25 F
26 A 27 B 28 A 29 D 30 F
31 B 32 D 33 A 34 D 35 C
36 B 37 A 38 B 39 D 40 D
41 D 42 D 43 C 44 B 45 A
46 F 47 A 48 C 49 B 50 D
51 D 52 C 53 B 54 D 55 C
56 B 57 B 58 A 59 D 60 C
61 D 62 A 63 D 64 A 65 C
其中：
1－30每题1分；
31－45每题3分；
46－50每题2分；
51－65每题1分。
试卷总分：100分。
