2. 职称英语
  3. A. allegedly B. applying C. chance D. concentrate E. ethical F

A. allegedly B. applying C. chance D. concentrate E. ethical F

游客2023-10-27  10
问题    A. allegedly     B. applying    C. chance    D. concentrate   E. ethical
   F. gentle      G. investigating  H. perform    I. possibilities   J. resisted
   K. reputation    L. stopped    M. specific    N. skepticism   O. truly
   In a lab in Oxford University’s experimental psychology department, researcher Roi Cohen Ka-dosh is testing a relatively new brain-stimulation technique which may help people learn and improve their understanding of math concepts.
   The electrodes (电极)are placed in a tightly fitted cap and worn around the head. The device, run off a 9-volt battery commonly used in smoke detectors, induces only a 【C1】______ current and can be targeted to 【C2】______ areas of the brain or applied generally. The mild current reduces the risk of side effects, which has opened up 【C3】______ about using it, even in individuals without a disorder, as a general cognitive enhancer. Scientists also are 【C4】______ its use to treat mood disorders and other conditions.
   Dr. Cohen Kadosh’s pioneering work on learning enhancement and brain stimulation is one example of the long journey faced by scientists studying brain-stimulation and cognitive-stimulation techniques. Like other researchers in the community, he has dealt with public concerns about safety and side effects, plus 【C5】______ from other scientists about whether these findings would hold in the wider population.
   There are also 【C6】______ questions about the technique. If it 【C7】______ works to enhance cognitive performance, should it be accessible to anyone who can afford to buy the device—which already is available for sale in the U.S.? Should parents be able to 【C8】______ such stimulation on their kids without monitoring? "It’s early days but that hasn’t 【C9】______ some companies from selling the device and marketing it as a learning tool," Dr. Cohen Kadosh says. "Be very careful." However, if the technique continues to show promise, "this type of method may have a 【C10】______ to be the new drug of the 21st century," says Dr. Cohen Kadosh. [br] 【C3】
选项
答案 I
解析 空格前为动词短语opened up，空格后为介词短语about using it，因而空格处需填入名词。根据前半句The mild current reduces the risk of side effects“微弱的电流降低了副作用风险”可知，风险降低使用的可能更大，possibilities“可能性”符合语境，故选I项。
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