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TPO23的内容，一起来看看吧。
TPO23-1
Paragraph 4: Cities, then, are warmer than the surrounding rural areas, and together they produce a phenomenon known as the urban heat island. Heat islands develop best under particular conditions associated with light winds, but they can form almost any time. ■The precise configuration of a heat island depends on several factors. ■For example, the wind can make a heat island stretch in the direction it blows. ■When a heat island is well developed, variations can be extreme; in winter, busy streets in cities can be 1.7℃ warmer than the side streets. ■Areas near traffic lights can be similarly warmer than the areas between them because of the effect of cars standing in traffic instead of moving.
The maximum differences in temperature between neighboring urban and rural environments is called the heat-island intensity for that region. In general, the larger the city, the greater its heat-island intensity. The actual level of intensity depends on such factors as the physical layout, population density, and productive activities of a metropolis.
13. Look at the four squares [■] that indicate where the following sentence could be added to the passage.
Another possibility is for the heat island to be stretched along the course of major rivers, since large waterways typically have a warming effect on the air directly above them.
Where would the sentence best fit?(3)
答案：(C)
TPO23-2
Paragraph 3: In addition to dairy farming and cultivating industrial crops, a third sector of the Dutch economy reflected the way in which agriculture was being modernized-horticulture. ■In the sixteenth century, fruit and vegetables were to be found only in gardens belonging to wealthy people. ■This changed in the early part of the seventeenth century when horticulture became accepted as an agricultural sector. ■Whole villages began to cultivate fruit and vegetables. ■The produce was then transported by water to markets in the cities, where the consumption of fruit and vegetables was no longer restricted to the wealthy.
13. Look at the four squares [■] that indicate where the following sentence could be added to the passage
Some villages specialized in growing cabbages and carrots; others grew onions, mustard, and coriander; and still others produced fruit and cultivated trees in nurseries.
Where would the sentence best fit?
答案：(D)
TPO23-3
Paragraph 2: The systematic study of this art is a relatively new discipline in Australia. Over the past four decades new discoveries have steadily added to the body of knowledge. The most significant data have come from a concentration on three major questions. First, what is the age of Australian rock art? Second, what is its stylistic organization and is it possible to discern a sequence or a pattern of development between styles? Third, is it possible to interpret accurately the subject matter of ancient rock art, bring to bear all available archaeological techniques and the knowledge of present-day Aboriginal informants? ■
Paragraph 3: The age of Australia’s rock art is constantly being revised, and earlier datings have been proposed as the result of new discoveries. ■Currently, reliable scientific evidence dates the earliest creation of art on rock surfaces in Australia to somewhere between 30,000 and 50,000 years ago. ■This in itself is an almost incomprehensible span of generations, and one that makes Australia’s rock art the oldest continuous art tradition in the world. ■
13. Look at the four squares [■] that indicate where the following sentence could be added to the passage
While a great deal of information exists, the answers to these questions are not yet definitive.
Where would the sentence best fit?
答案：(A)
以上就是托福阅读句子插入题(23)，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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