卫生类填空集考试卷模拟_考试题

1、姓名：_ 班级：_ 学号：_-密-封 -线- 卫生类填空集考试卷模拟_考试题考试时间：120分钟 考试总分：100分题号一二三四五总分分数遵守考场纪律，维护知识尊严，杜绝违纪行为，确保考试结果公正。1、*html*watching microcurrents flow? ?we can now watch electricity as it flows through even the tiniest circuits. by scanning the magnetic field generated as electric currents flow through objects, phy

2、sicists have managed?(46) ?. the technology will allow manufacturers to scan microchips for faults, as well as revealing microscopic defects in anything from aircraft to banknotes.? ?gang xiao and ben schrag at brown university in providence, rhode island, visualize the current by measuring subtle c

3、hanges in the magnetic field of an object and?(47) ? ?their sensor is adapted from an existing piece of teclmology that is used to measure large magnetic fields in computer hard drives. “we redesigned the magnetic sensor to make it capable of measuring very weak changes in magnetic fields,” says xia

4、o.? ?the resulting device is capable of detecting a current as weak as 10 microamperes, even when the wire is buried deep within a clip, and it shoves up features as small as 40 nanometers across.? ?at present, engineers looking for defects in a chip have to peel off the layers and examine the circu

5、its visually; this is one of the obstacles?(48) ?. but the new magnetic microscope is sensitive enough to look inside chips and reveal faults such as short circuits, nicks in the wires or electro migration where a dense area of current picks up surrounding atoms and moves them along. “it is like wat

6、ching a river flow,” explains xiao.? ?as well as scanning tiny circuits, the microscope can be used to reveal the internal structure of any object capable of conducting electricity. for example, it could look directly at microscopic cracks in an aero-planes fuselage,?(49) ?. the technique cannot yet

7、 pick up electrical activity in the human brain because the current there is too small, but xiao doesnt rule it out in the future. “i can never say never,” ha says.? ?although the researchers have only just made the technical details of the microscope public, it is already on sale, from electronics

8、company micro magnetics in fall river, massachusetts. it is currently the size of a refrigerator and takes several minutes to scan a circuit, but xiao and schrag are working?(50) ?.? ?a. to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds? ?b. to making chips any s

9、maller? ?c. to take tiny chips we require? ?d. to picture the progress of the currents? ?e. converting the information into a color picture showing the density of current at each point? ?f. faults in the metal strip of a forged banknote or bacteria in a water sample（ ）2、*html*watching microcurrents

10、flow? ?we can now watch electricity as it flows through even the tiniest circuits. by scanning the magnetic field generated as electric currents flow through objects, physicists have managed?(46) ?. the technology will allow manufacturers to scan microchips for faults, as well as revealing microscop

11、ic defects in anything from aircraft to banknotes.? ?gang xiao and ben schrag at brown university in providence, rhode island, visualize the current by measuring subtle changes in the magnetic field of an object and?(47) ? ?their sensor is adapted from an existing piece of teclmology that is used to

12、 measure large magnetic fields in computer hard drives. “we redesigned the magnetic sensor to make it capable of measuring very weak changes in magnetic fields,” says xiao.? ?the resulting device is capable of detecting a current as weak as 10 microamperes, even when the wire is buried deep within a

13、 clip, and it shoves up features as small as 40 nanometers across.? ?at present, engineers looking for defects in a chip have to peel off the layers and examine the circuits visually; this is one of the obstacles?(48) ?. but the new magnetic microscope is sensitive enough to look inside chips and re

14、veal faults such as short circuits, nicks in the wires or electro migration where a dense area of current picks up surrounding atoms and moves them along. “it is like watching a river flow,” explains xiao.? ?as well as scanning tiny circuits, the microscope can be used to reveal the internal structu

15、re of any object capable of conducting electricity. for example, it could look directly at microscopic cracks in an aero-planes fuselage,?(49) ?. the technique cannot yet pick up electrical activity in the human brain because the current there is too small, but xiao doesnt rule it out in the future.

16、 “i can never say never,” ha says.? ?although the researchers have only just made the technical details of the microscope public, it is already on sale, from electronics company micro magnetics in fall river, massachusetts. it is currently the size of a refrigerator and takes several minutes to scan

17、 a circuit, but xiao and schrag are working?(50) ?.? ?a. to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds? ?b. to making chips any smaller? ?c. to take tiny chips we require? ?d. to picture the progress of the currents? ?e. converting the information into a colo

18、r picture showing the density of current at each point? ?f. faults in the metal strip of a forged banknote or bacteria in a water sample（ ）3、*html*watching microcurrents flow? ?we can now watch electricity as it flows through even the tiniest circuits. by scanning the magnetic field generated as ele

19、ctric currents flow through objects, physicists have managed?(46) ?. the technology will allow manufacturers to scan microchips for faults, as well as revealing microscopic defects in anything from aircraft to banknotes.? ?gang xiao and ben schrag at brown university in providence, rhode island, vis

20、ualize the current by measuring subtle changes in the magnetic field of an object and?(47) ? ?their sensor is adapted from an existing piece of teclmology that is used to measure large magnetic fields in computer hard drives. “we redesigned the magnetic sensor to make it capable of measuring very we

21、ak changes in magnetic fields,” says xiao.? ?the resulting device is capable of detecting a current as weak as 10 microamperes, even when the wire is buried deep within a clip, and it shoves up features as small as 40 nanometers across.? ?at present, engineers looking for defects in a chip have to p

22、eel off the layers and examine the circuits visually; this is one of the obstacles?(48) ?. but the new magnetic microscope is sensitive enough to look inside chips and reveal faults such as short circuits, nicks in the wires or electro migration where a dense area of current picks up surrounding ato

23、ms and moves them along. “it is like watching a river flow,” explains xiao.? ?as well as scanning tiny circuits, the microscope can be used to reveal the internal structure of any object capable of conducting electricity. for example, it could look directly at microscopic cracks in an aero-planes fu

24、selage,?(49) ?. the technique cannot yet pick up electrical activity in the human brain because the current there is too small, but xiao doesnt rule it out in the future. “i can never say never,” ha says.? ?although the researchers have only just made the technical details of the microscope public,

25、it is already on sale, from electronics company micro magnetics in fall river, massachusetts. it is currently the size of a refrigerator and takes several minutes to scan a circuit, but xiao and schrag are working?(50) ?.? ?a. to shrink it to the size of a desktop computer and cut the scanning time

26、to 30 seconds? ?b. to making chips any smaller? ?c. to take tiny chips we require? ?d. to picture the progress of the currents? ?e. converting the information into a color picture showing the density of current at each point? ?f. faults in the metal strip of a forged banknote or bacteria in a water

27、sample（ ）4、*html*watching microcurrents flow? ?we can now watch electricity as it flows through even the tiniest circuits. by scanning the magnetic field generated as electric currents flow through objects, physicists have managed?(46) ?. the technology will allow manufacturers to scan microchips fo

28、r faults, as well as revealing microscopic defects in anything from aircraft to banknotes.? ?gang xiao and ben schrag at brown university in providence, rhode island, visualize the current by measuring subtle changes in the magnetic field of an object and?(47) ? ?their sensor is adapted from an exis

29、ting piece of teclmology that is used to measure large magnetic fields in computer hard drives. “we redesigned the magnetic sensor to make it capable of measuring very weak changes in magnetic fields,” says xiao.? ?the resulting device is capable of detecting a current as weak as 10 microamperes, ev

30、en when the wire is buried deep within a clip, and it shoves up features as small as 40 nanometers across.? ?at present, engineers looking for defects in a chip have to peel off the layers and examine the circuits visually; this is one of the obstacles?(48) ?. but the new magnetic microscope is sens

31、itive enough to look inside chips and reveal faults such as short circuits, nicks in the wires or electro migration where a dense area of current picks up surrounding atoms and moves them along. “it is like watching a river flow,” explains xiao.? ?as well as scanning tiny circuits, the microscope ca

32、n be used to reveal the internal structure of any object capable of conducting electricity. for example, it could look directly at microscopic cracks in an aero-planes fuselage,?(49) ?. the technique cannot yet pick up electrical activity in the human brain because the current there is too small, bu

33、t xiao doesnt rule it out in the future. “i can never say never,” ha says.? ?although the researchers have only just made the technical details of the microscope public, it is already on sale, from electronics company micro magnetics in fall river, massachusetts. it is currently the size of a refrig

34、erator and takes several minutes to scan a circuit, but xiao and schrag are working?(50) ?.? ?a. to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds? ?b. to making chips any smaller? ?c. to take tiny chips we require? ?d. to picture the progress of the currents? ?e

35、. converting the information into a color picture showing the density of current at each point? ?f. faults in the metal strip of a forged banknote or bacteria in a water sample（ ）5、*html*watching microcurrents flow? ?we can now watch electricity as it flows through even the tiniest circuits. by scan

36、ning the magnetic field generated as electric currents flow through objects, physicists have managed?(46) ?. the technology will allow manufacturers to scan microchips for faults, as well as revealing microscopic defects in anything from aircraft to banknotes.? ?gang xiao and ben schrag at brown uni

37、versity in providence, rhode island, visualize the current by measuring subtle changes in the magnetic field of an object and?(47) ? ?their sensor is adapted from an existing piece of teclmology that is used to measure large magnetic fields in computer hard drives. “we redesigned the magnetic sensor

38、 to make it capable of measuring very weak changes in magnetic fields,” says xiao.? ?the resulting device is capable of detecting a current as weak as 10 microamperes, even when the wire is buried deep within a clip, and it shoves up features as small as 40 nanometers across.? ?at present, engineers looking for defects in a chip have to peel off the layers and examine the circuits visually; this is one of the obstacles?(48) ?. but the new magnetic microscope is sensitive enough to look inside chips and reveal faults such as short circuits, nicks in the wires or