PTE Summary Writing Samples – Read the passage below and summarize it using 1 sentence (between 5 and 75 words). Type your response in the box at the bottom of the screen. Your response will be judged on the quality of your writing and on how well your response presents the key points in the passage.
PTE Writing – Summarize Written Text In One Sentence
- Read and summarize written text in your words.
Dendrochronology, or ‘tree ring dating’ as it is often known, can provide an invaluable insight into the history of a building by revealing the year in which the timbers used in its construction were felled.
It was discovered early in the 20th century that trees of the same species in the same region displayed remarkably similar ring patterns across the tree trunk and in the end grain of timber beams. Each year a tree gains another ring as it grows; the thickness of which depends on the amount of growth. In a year with ideal growing conditions, trees will produce a wider ring than in a year with poor conditions, and all the trees in the same region are likely to display the same general chronological growth pattern, despite any local ecological variations. By plotting the relative thickness of these rings in a newly felled oak of say 200 years old, a clearly identifiable sequence of variations will emerge like a date stamp for each period. By comparing variations in the first 100 years growth (ie the innermost 100 rings) with those of the last 100 years growth (ie the outermost 100 rings) of similar timber felled locally 100 years ago, the match should be immediately apparent. If the older timber retains its bark, the year that it was felled will be recorded by the outermost ring, the ring which was grown in the year that the tree was felled.
Tree ring data for most areas of the country are now documented by master chronologies spanning hundreds of years, based on timbers of the same tree species, from the same region, with overlapping periods of growth. Oak is the best documented species because it was the one most widely used for the construction of timber-framed buildings in the past. By cross-matching the tree rings of historic timbers from existing buildings with the master chronology, dendrochronology laboratories are able to determine when the timbers were felled.
The appeal of dendrochronology as a dating tool is that it is objective and entirely independent of other evidence such as datable design features and documented information. Furthermore, where analysis results in a clear match with the master chronology the results are completely accurate and reliable.
2. Read and summarize written text in your words.
Whales are mammals, so in many ways, they are just like human beings. The most important difference is that humans and whales live in different environments and whales have a special respiratory system that enables them to stay underwater for several minutes without breathing oxygen. For this reason, they are said to be voluntary breathers. That is, because of whales underwater environment, they must be conscious breathers. They think about every breath they take and come up to the surface of the water to breathe through blowholes on top of their heads.
What is outstanding about whales is the way they can sleep. While all mammals sleep, whales cannot afford to become unconscious for long because they may drown. The only way they can sleep is by remaining partially conscious. It is believed that only one hemisphere of the whale’s brain sleeps at a time, so they rest but are never completely asleep. They can do so most probably near the surface so that they can come up for air easily.
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