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【判断题】

骑电动摩托车必须戴头盔。( )

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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举一反三

【单选题】Questions 36~40 are based on the following passage.Richard Satava, program manager for advanced medical technologies, has been a driving force in bringing virtual reality to medicine, where computers ...

A.
will enable surgeons to be physically present on every battlefield
B.
can raise the spirits of soldiers wounded on the battlefield
C.
will greatly improve medical conditions on the battlefield
D.
can shorten the time for operations on soldiers wounded on the battlefield