2. 外语
  3. The basis of remote diagnosis will be ______. The word "problem" in the first sentence of paragraph 4 refers to the fact that _

The basis of remote diagnosis will be ______. The word "problem" in the first sentence of paragraph 4 refers to the fact that _

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问题 The basis of remote diagnosis will be ______.
The word "problem" in the first sentence of paragraph 4 refers to the fact that ______.
选项 A、CT scans are one of the biggest bandwidth consumers
B、there are not enough mobile phones for distributing medical intelligence
C、communications satellites can only cope with the short-term needs during disasters
D、bandwidth is not adequate to transmit complex medical images around the world
答案D
解析 本题问“第四段第一句中problem一词所指的是什么?”第四段第一句的原文是：But there is one problem．这是本段的主题句，后面内容是对problem的具体说明，CT scans being one of the biggest bandwidth consumers． Communications satellites may be able to cope with the short-term needs during disasters such as earthquakes，wars or famines．也就是说，宽带问题是限制向全世界传递复杂医疗影像的因素，在地震等灾难中通讯卫星只能满足短期的资料传输。由此可知[D]“带宽难以满足在全球传违复杂的医疗图像”正确。[A]“CT扫描是宽带最大的消耗寿之一”。这句话是文章的原文，只是陈述了CT扫描的宽带使用量很大，但不是problem一词所指的对象。[B]“没有足够的移动电话来实施各处的智能诊疗”。从第四段的最后两句可知：通讯卫星能够在地震、战争或饥荒时解决短期的需求，医疗界把希望寄托于第二代因特网和第三代移动电话的更新以实现未来医疗的智能化，因此移动电话只是未来要改进的一个方面。[C]“通讯卫星只能在灾难时解决短期需求”。因此不是一个能够长期和普遍应用的方法，现在所面临的问题主要是医疗影像的传播，所以这也不是problem所指代的内容。
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大学英语四级

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