2. 职称英语
  3. What can be inferred from the first paragraph? [br] Which of the following is tr

What can be inferred from the first paragraph? [br] Which of the following is tr

游客2023-08-01  9
问题 What can be inferred from the first paragraph? [br] Which of the following is true according to Paragraph 3?
选项 A、US already has 3 satellite channels in use: C/A, Y-channel and M-code.
B、Galileo will have 5 more different channels.
C、The American C/A is different from the EU’s PRS in function.
D、The American GPS has more commercial usage than Galileo.
答案 C
解析 由题干中的Paragraph 3定位到原文第三段细节部分。[精析] 原文第三段a civilian channel known as C/A(一个C/A民用频道)和a“public regulated service” (PRS)which will be used by the EU’s governments(一个将被用于欧盟的政府部门的“公共管制服务”频道)可推知两者作用不同，故C)“美国的C/A在功用上与欧盟的PRS不同”为正确答案。[排除干扰] 开头交代美国有两个频道，第三个频道的计划正在进行之中，所以已经有的只有两个，故排除 A)；根据原文Galileo will debut with five different signals(伽利略刚开始会有5个频道)可以推测B)“还有5个”错误，；原文只是提及Galileo会包括一个经济性频道，并未对两者盈利性进行对比，也排除D)。
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