职称英语考试理工类完形填空基础复习题(2)

　　Throughout the United States, and especially in big cities and rural areas, tens of thousands of people with hearts that should be good 　　　__________ to keep them alive die each year for lack of adequate first aid. In New York City, for example, a new study has shown that only one person in 100 outside of hospitals 　_____　 _____after the heart suddenly stops pumping . In contrast, in Seattle, the survival _____　_____ after such heart attacks is one in five.

　　The difference can be traced _____　 _____the effectiveness of the chain of survival, Dr. Joseph P. Ornato said. Each link in the　__________ must be strong enough for many lives to be __________.

　　The chain begins with an immediate telephone__________ for emergency help and the start within four minutes of the process needed for restarting the　_____ _____working, by a family member or bystander . It continues with the prompt arrival-within eight 　__________ ten minutes of a rescuer equipped with a special instrument that can shock the heart back to a normal rhythm. And it ends with the administration of advanced emergency care by nurses to maintain the hearts ability to survive until the doctors at the hospitals can take __________. When one or more links in this chain fail or function too slowly, the __________ of a victim surviving heart attack falls rapidly. Because of widespread weaknesses in the chain of __________, experts in emergency heart care estimate that 20,000 to 80,000 people __________ needlessly of heart attack each year, a number comparable to the 55,000 killed annually in automobile __________.

　　One expert says, Sending an emergency vehicle to a heart attack victim __________ the special equipment is like having policemen with guns but no bullets. They may put on a good show, but they lack the weapon needed to get the job done.

　　1 A enough B much C many D too

　　2 A dies B survives C stops D wakes

　　3 A speed B thing C rate D people

　　4 A on B at C from D to

　　5 A list B process C chain D step

　　6 A accepted B taken C born D saved

　　7 A call B number C line D worker

　　8 A person B heart C brain D body

　　9 A to B by C and D toward

　　10 A out B about C on D over

　　11 A cause B start C chance D event

　　12 A death B luck C help D survival

　　13 A die B live C survive D come

　　14 A production B accidents C incidents D troubles

　　15 A by B at C with D without

　　【参考答案】

　　1. A　　2. B　　3. C　　4. D　　5. C

　　6. D　　7. A　　8. B　　9. A　　10. D

　　11. C　 12. D　 13. A　 14. B　 15. D