One theory, ________ suggested by Harvard University, is that humans began cooki
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One theory, ________ suggested by Harvard University, is that humans began cooking their food, thereby releasing nutrients locked in the raw food and reducing the time needed to chew it. |
答案
B |
解析
B 考察定语从句。One theory is that…to chew是主句,________ suggested by Harvard University是非限制性定语从句,as在引导非限制性定语从句时候,有正如的意思,且通常表示被动。Which没有这个用法。故B正确。 |
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