According to the writer, "information ghetto" is caused by ______ . [br] It seem

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问题 According to the writer, "information ghetto" is caused by ______ . [br] It seems that critical technology is often ______ .

选项 A、unavailable to the importing countries
B、unavailable to the exporting countries
C、not suitable to the developing countries
D、keeping back the exporting countries’ economy

答案 A

解析 题干意为“似乎关键技术经常…”。该题为推理题。由最后一段的最后一句可知,出口到发展中国家的技术可能不太适合当地的经济状况和工作环境,所以应该是对进口国没用。
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