2. 考研
  3. A. in some cases B. perfected C. located A. 【T7】________the world’ s first microscopic blood-pressure sensor B. 【T8】________d

A. in some cases B. perfected C. located A. 【T7】________the world’ s first microscopic blood-pressure sensor B. 【T8】________d

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问题 A.  in some cases
B.  perfected
C.  located
A. 【T7】________the world’ s first microscopic blood-pressure sensor
B. 【T8】________deep within a high-rise apartment building
C. that allows scientists to envision and【T9】________actually build microscopic machines
    In the past, one of the biggest disadvantages of machines has been their inability to work on a micro scale. For example, doctors did not have devices allowing them to go inside the human body to detect health problems or to perform delicate surgery. Repair crews did not have a way of identifying broken pipes【T10】________However, that’ s about to change. Advances in computers and biophysics have started a micro miniature revolution【T11】________These devices promise to dramatically change the way we live and work.
    Micromachines 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 primitive motors. At Lucas Nova Sensor in Fremont, California, scientists have【T12】________. Threaded through a person’ s blood vessels, the sensor can provide blood pressure readings at the valve of the heart itself.
【T8】
选项 A、 
B、 
C、 
答案C
解析 本题空白处后面接的是deep within a high—rise apartment building，是表示位置的短语，根据上一题的分析，确定答案应为located。
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