托福阅读句子插入题是阅读十大题型之一，几乎在每篇文章中都会出现，但是有很多同学不能很好的解答这种题型;tpo是托福阅读备考最权威的材料，所以托福小编为大家集中整理了tpo阅读中的句子插入题，供大家参考使用。本文带来的是TPO29的内容，一起来看看吧。
TPO29-1
There was much debate on the relative efficiencies of different types of waterwheels. ■ The period from about 1650 until 1800 saw some excellent scientific and technical investigations of different designs. ■ They revealed output powers ranging from about 1 horsepower to perhaps 60 for the largest wheels and confirmed that for maximum efficiency, the water should pass across the blades as smoothly as possible and fall away with minimum speed, having given up almost all of its kinetic energy. ■ (They also proved that, in principle, the overshot wheel, a type of wheel in which an overhead stream of water powers the wheel, should win the efficiency competition.)■
Q13 Look at the four squares【■】that indicate where the following sentence could be added to the passage.
Happily, serious studies began to be conducted to help resolve disagreements.
Where would the sentence best fit? Click on a square to add the sentence to the passage.
TPO29-2
There is a danger, of course, that play may be misinterpreted or not recognized as play by others, potentially leading to aggression. ■This is especially true when play consists of practicing normal aggressive or predator behaviors.■ Thus, many species have evolved clear signals to delineate playfulness.■ Dogs, for example, will wag their tails, get down their front legs, and stick their behinds in the air to indicate “ what follows is just for play.”■
Q13 Look at the four squares【■】that indicate where the following sentence could be added to the passage.
With messages such as those, even dogs that are strangers to each other can be playing within a few minutes.
Where would the sentence best fit? Click on a square to add the sentence to the passage.
以上就是托福阅读句子插入题(29)，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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