托福阅读否定事实信息题是阅读考试十大题型之一，通常每篇阅读中都会出现;tpo是托福阅读备考最权威的材料，所以托福小编综合二者，为大家集中整理了tpo阅读中考察的否定事实信息题及其对应的解析，供大家参考使用。本文带来的是TPO29-3的否定事实信息题，一起来看看吧。
TPO29-3 The History of Waterpower
Paragraph 1: Moving water was one of the earliest energy sources to be harnessed to reduce the workload of people and animals. No one knows exactly when the waterwheel was invented, but irrigation systems existed at least 5,000 years ago, and it seems probable that the earliest waterpower device was the noria, a waterwheel that raised water for irrigation in attached jars. The device appears to have evolved no later than the fifth century B.C., perhaps independently in different regions of the Middle and Far East.
2.In paragraph 1, uncertainty is expressed about all of the following aspects of the early development of waterpower EXCEPT
O when exactly the very first waterpower devices were invented
O when exactly the very first waterpower devices were developed
O whether water was one of the earliest sources of power to be used by humans
O whether the very earliest waterpower devices arose independently
解析：这个题可以看着选项到原文照对应点，A对应原文第二句，正确，不选。B对应虽然没有直接在原文中提到，但是也可以有这层意思，可以作为待定选项。但看到C之后就可以排除B了，因为C和原文第一句有了直接冲突，因此选择C。D对应这段的最后一句(出现了perhaps)。
[1]流水是人类最早利用的能量来源，以减少人和牲畜的工作负担。无法知晓水轮是什么时候发明的，但灌溉系统至少在五千年前就已存在。最早的水力设施很可能是戽水车，一种通过附带的瓦罐将水举起以便灌溉的水轮。这种设备在公元前十五世纪就可能独立的出现在中东和远东的一些地区了。
以上就是托福阅读TPO29-3中的否定事实信息题及其解析，大家可以在备考的时候参考复习，希望能够帮助大家的考前准备。最后前程百利祝大家都能取得理想的托福考试成绩。
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