Micro machines already are making an impact. At Case Western Reserve University in Cleveland, Ohio, research scientists have designed a 4-inch silicon chip that holds 700 tiny (42) _____motors. At Lucas Nova Sensor in Fremont, California, scientists have perfected the worlds firstmicroscopic blood-pressure sensor. Threaded through a persons blood (43) _____, the sensor can provide blood pressure readings at the valve of the heart itself.
(44) ______________________________________________________________________. Auto manufacturers, for example, are trying to use tiny devices_______________________________________________________
(45)___________________________________________________________________________. Some futurists
envision nanotechnology (纳米技术) also being used to explore the deep sea in small submarines, or even to launch finger-sized rockets packed with micro miniature instruments.
There is an explosion of new ideas and applications. So, (46) _____________________________ ____________________________________________________________.
听力原文
11.
M: I dont know what to do. I have to drive to Chicago next Friday for my cousins wedding, but I have got a Psychology test to prepare for.
W: Why dont you record your notes so you can study on the way?
Q: What does the woman suggest the man do?
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