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  3. Technology is another great force for change. In part, technology has caused the population explosion; many of us won’t now be a

Technology is another great force for change. In part, technology has caused the population explosion; many of us won’t now be a

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问题     Technology is another great force for change. In part, technology has
caused the population explosion; many of us won’t now be alive if it weren’t      【M1】 ______
for advances in health, agriculture and industry. But in part, technology helps
resolve the population problem, either. It’s a never ending cycle. The need       【M2】 ______
for more food discourages development of better technology which naturally        【M3】 ______
keeps more people alive. And there is no going back to a simple, less
technological complex time. We’re born. We’re here. We’re hungry. While           【M4】 ______
technology makes this possible for four or even six billion of us to exist, it    【M5】 ______
also eliminates our job opportunities. In theory, it is possible what all the     【M6】 ______
goods and services the world needs could be produced with only 2 percent of       【M7】 ______
the population. This tendency of technology to make workers superfluous
but at the same time allowed their numbers to grow significantly is creating      【M8】 ______
psychological tensions.
    Traditionally., work determines our way of life. But if 98 percent of us
doesn’t need to work, what are we going to do with our ourselves? Something       【M9】 ______
more than work must be finding to determine both income and meaning in life       【M10】 ______
otherwise 98 percent of us could be both hungry and frustrated.
【M8】
选项
答案allowed改成allow
解析 根据结构分析，is之前的部分是主语，即tendency of technology，其后接两个不定式短语做定语，用but连接，所以allow与make并列，用原形。
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