托福TPO25阅读长难句汇总

托福TPO25阅读长难句汇总。在托福阅读考试中，同学门经常会遇到一些长难句子，这些长难句会影响对文章的理解，同学们在复习的时候要多注意这些长难句。下面来看看托福TPO25阅读长难句汇总。

TPO25: The Surface of Mars

1. It is no accident that Maxwell Mons on Venus and the Hawaiian shield volcanoes on　Earth rise to about the same height (about 10 kilometers) above their respective　bases-Earth and Venus have similar surface gravity.

2. Scientists have no direct evidence for recent or ongoing eruptions, but if these volcanoes　　were active as recently as 100 million years ago (an estimate of the time of last eruption　based on the extent of impact cratering on their slopes), some of them may still be at leastintermittently active.

TPO25: The Decline of Venetian Shipping

1. In the fifteenth century there was little problem recruiting sailors to row the galleys　(large ships propelled by oars): guilds (business associations) were required to provide　rowers, and through a draft system free citizens served compulsorily when called for.

2. The step from buying foreign timber to buying foreign ships was regarded as a short one,　especially when complaints were heard in the latter sixteenth century that the standards　and traditions of the Arsenale were running down.

3. Historian Frederic Lane observes that after the loss of ships in battle in the late　sixteenth century, the shipbuilding industry no long had the capacity to recover that it had　displayed at the start of the century.

4. The conventional explanation for the loss of Venetian dominance in trade is　establishment of the Portuguese direct sea route to the East, replacing the overland Silk　Road from the Black sea and the highly profitable Indian Ocean-caravan-eastern　Mediterranean route to Venice.

5. Prices of spices delivered by ship from the eastern Mediterranean came to equal those of　spices transported by Paortuguese vessels, but the increase in quantity with both routes in　operation drove the price far down.

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