2020年职称英语考试理工类模拟试题第10套：完形填空

1、2020 年职称英语考试理工类模拟试题第 10 套：完形填空Germs on BanknotesPeople in different countries use different types of 1 yuan in China, pesos in Mexico, pounds in the United Kingdom, dollars in the United States, Australia and New Zealand. They may use 2 currencies, but these countries, and probably all countries, st

2、ill have one thing in common1： Germs on thebanknotes.Scientists have been studying the germs on money for well over2 100 years. At the turn of the 20th 3 , some researchers began to suspect that germs living on money could spread disease.Most studies of germy money have looked at the germs on the cu

3、rrency 4 one country. In a new study, Frank Vriesekoop3 and other researchers compared the germ populations found on bills of different 5 .Vriesekoop3 is a microbiologist at the University of Ballarat in Australia4. He led the study, which compared the germ populations found on money 6 from 10 natio

4、ns. The scientists studied 1,280 banknotes in total; all came from places where people buy food, like supermarkets street vendors and cafes, 7 those businesses often rely on cash.Overall, the Australian dollars hosted the fewest live bacteria no more than 10 per square centimeter. Chineseyuan had th

5、e most about 100 per square centimeter. Mostof the germs on money probably would not cause harm.What we call “paper ” money usually isnt made from paper. The U. S. dollar, for example, is printed on fabric that is mostly 8 .Different countries may use different 9 to print their money. Some of the cu

6、rrencies studied by Vriesekoop and his 10 such as the American dollar were made from cotton. Others were made from polymers.The three 11 with the lowest numbers of bacteria were all printed on polymers. They included the Australian dollar, the New Zealand dollar and some Mexican pesos.The other curr

7、encies were printed on fabric made 12 of cotton. Fewer germs lived on the polymer notes. This connection suggests that 13 have a harder time staying alive on polymer surfaces. Scientists need to do more studies to understand how germs live on moneyand whether or not weneed to be concerned. Vnesekoop

8、 is now starting a study that will 14 the amounts of time bacteria can stay alive on different types of bills.Whatever Vriesekoop finds, the fact remains ： Paper money harbors germs We should wash our 15 after touching it; after all5, you never know where your money s been. Or whats living on it练习：1

9、. A coins B money C cheques D loans2. A different B clean C hard D foreign3. A anniversary B year C decade D century4. A along B with C within D outside5. A countries B areas C regions D provinces6. A delivered B borrowed C gathered D designed7. A because B though C when D where8. A plastic B rubber

10、 C cotton D paper9. A languages B colors C substances D materials10. A family B team C advisor D boss11. A expenses B banks C statements D currencies12. A nearly B mostly C likely D merely13. A dirt B water C germs D oil14. A compare B connect C conduct D command15. A arms B hands C face D clothes答案与题解：1. B 冒号后面说的是各国使用钱币的名称：“ yuan in China ， pesos in Mexico ，pounds in the United Kingdom， dollars inthe Uni ted States , Aus 往alia and New Zeala nd” ，所以填人的词必 定与这些钱币相关，而且应该是钱币的总括词。所以选 money 最为恰当。 coins 是“硬币”， ch