托福阅读中句子插入题是重要题型之一。根据托福阅读题型不同来进行专项练习，是短期提高托福阅读能力的有效方法。同学们需要多加练习哦!

　　托福阅读句子插入题：the Bantu Peoples

　　【Paragraph 6】The diffusion of agriculture and later of iron was accompanied by a great movement of people who　may have carried these innovations. These people probably originated in eastern Nigeria. ■Their migration may have　been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up,　of the Sahara. ■They spoke a language, proto-Bantu (“Bantu” means “the people”), which is the parent tongue of a　language of a large number of Bantu languages still spoken throughout sub-Sahara Africa. Why and how these people　spread out into central and southern Africa remains a mystery, but archaeologists believe that their iron weapons allowed　them to conquer their hunting-gathering opponents, who still used stone implements. ■Still, the process is uncertain, and　peaceful migration—or simply rapid demographic growth—may have also caused the Bantu explosion. ■ (Agriculture,　Iron, and the Bantu Peoples)

　　Look at the four squares ■ that indicate where the following sentence could be added to the passage.

　　These people had a significant linguistic impact on the continent as well.

　　Where would the sentence best fit?

　　托福阅读句子插入题答案：2

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