Active in Old Age Keeps People Mobile 　　People over 70 who aren’t active are more likely to develop problems walking or climbing stairs within a few years, according to a new study. 　　These findings suggest that it’s very important to stay_______ (51) in old age, study author Dr. Marjolein Visser told Reuters Health. 　　"Physical activity in old age is as important_______（52） taking your medications（药物），" Visser noted. "You do not need to join an expensive， fancy sports club with high-tech （高科技的） equipment. Your body will already_______（53）from regular walking." 　　Visser， a Dutch （荷兰的）scholar，explained that_______（54） active helps prevent people from becoming breathless during simple activities， increase muscle mass and strength， and maintain the balance people need to walk up stairs， for instance. 　　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.

A:young B:new C:still D:active

Active in Old Age Keeps People Mobile People over 70 who aren’t active are more likely to develop problems walking or climbing stairs within a few years, according to a new study. These findings suggest that it’s very important to stay _____(51) in old age, study author Dr. Marjolein Visser told Reuters Health. "Physical activity in old age is as important _____(52) taking your medications(药物)," Visser noted. "You do not need to join an expensive, fancy sports club with high-tech (高科技的) equipment. Your body will already _____(53) from regular walking." Visser, a Dutch (荷兰的) scholar, explained that _____(54) active helps prevent people from becoming breathless during simple activities, increase muscle mass and strength, and maintain the balance people need to walk up stairs, for instance. 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.

A:young B:new C:still D:active

A Bluetooth device can be either a master or a slave and any of the devices within a ___30___can be the master. There is only one master and there can be up to ___31___ active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to ___32___.parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to ___33___ mode before it can become active. Within a network, all ___34___ communications are prohibited.

A:master B:standby slave C:parked slave D:Active slave

A Bluetooth device can be either a master or a slave and any of the devices within a (1) can be the master. There is only one master and there can be up to (2) active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to (3) parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to (4) mode before it can become active. Within a network, all (5) communications are prohibited.

A:master B:standby slave C:parked slave D:active slave

A Bluetooth device can be either a master or a slave and any of the devices within a （71） can be the master．There is only one master and there can be up to （72） active slave devices at a time within a single network．In addition, a device may be a standby slave or a parked slave．There can be up to （73） parked slaves．If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to （74） mode before it can become active．Within a network, all （75） communications are prohibited.

A:master B:standby slave C:parked slave D:active slave

下面程序的结果是　　　#include＜iostream．h＞　　　class test{ private：　　　　　　　　　int num；　　　　　　　public：　　　　　　　　test( )；　　　　　　　　int getint( ) {return num；}　　　　　　　　～test( )；}；　　　test：：test( )　　　{ num=0；}　　　test：：～test( )　　　{ cout＜＜"Destructor is active"＜＜endl；}　　　void main( )　　　{ test x[3]；　　　　　cout＜＜"Exiting main"＜＜endl；}

A:Exiting main　　Destructor is active　　Destructor is active　　Destructor is active B:Exiting main　　Destructor is active　　Destructoris active C:Exiting main　　Destructoris active D:Exiting main

下面程序的结果是（ ）。 　　　#include＜iostream．h＞ 　　　class test{ private： 　　　　　　　　　int num； 　　　　　　　public： 　　　　　　　　test( )； 　　　　　　　　int getint( ) {return num；} 　　　　　　　　～test( )；}； 　　　test：：test( ) 　　　{ num=0；} 　　　test：：～test( ) 　　　{ cout＜＜"Destructor is active"＜＜endl；} 　　　void main( ) 　　　{ test x[3]； 　　　　　cout＜＜"Exiting main"＜＜endl；}

A:Exiting main 　　Destructor is active 　　Destructor is active 　　Destructor is active B:Exiting main 　　Destructor is active 　　Destructoris active C:Exiting main 　　Destructoris active D:Exiting main

下面程序的结果是（ ）。 　　　#include＜iostream．h＞ 　　　class test{ private： 　　　　　　　　　int num； 　　　　　　　public： 　　　　　　　　test( )； 　　　　　　　　int getint( ) {return num；} 　　　　　　　　～test( )；}； 　　　test：：test( ) 　　　{ num=0；} 　　　test：：～test( ) 　　　{ cout＜＜"Destructor is active"＜＜endl；} 　　　void main( ) 　　　{ test x[3]； 　　　　　cout＜＜"Exiting main"＜＜endl；}

A:Exiting main 　　Destructor is active 　　Destructor is active 　　Destructor is active B:Exiting main 　　Destructor is active 　　Destructoris active C:Exiting main 　　Destructoris active D:Exiting main