Integrated task

Both the reading passage and listening passage discuss the topic of DDT. DDT was used during the Second World War as an effective medicine against malaria and typhus. After the war, it started to use as a pesticide. However, in the ensuing years due to bad impacts on the environment and human being, DDT was banned in several countries.

In total contrast to the first point made in the reading passage the professor state that there is no link between decline in population of birds and usage of DDT. He strength his statement by exemplifying that while bald eagle and brown pelican, kinds of bird species, was on the verge of extinction before the introduction of DDT, their population had increased during the DDT years.

Moreover, the professor refutes that DDT causes to eggshell. He specified in the listening passage that according to experiments, there is no correlation between DDT and eggshell thinning. On the contrary, oil spills, lead, mercury and other factors such as stress from noise, fear have directly related with this problem.

Finally, according to professor, studies show that DDT cause the human cancer has exaggerated. Apart from this, although he aggres with the point in the reading passage that overuse of DDT may result in declining in its effectiveness against insects, he offer that DDT can be reconsidered as an effective method in fighting malaria on condition of reasonable usage of it.

TOEFL listening lectures: Why does the professor mention Mona Lisa?

Both the reading passage and listening passage discuss the topic of DDT. DDT was used during the Second World War as an effective medicine against malaria and typhus. After the war, it started to be used as a pesticide. However, in the ensuing years, due to bad impacts on the environment and human being, DDT was banned in several countries.

In total contrast to the first point made in the reading passage, the professor state that there is no link between decline in the population of birds and usage of DDT. He strength his statement by exemplifying that while bald eagles and brown pelicans, kinds of bird species, were on the verge of extinction before the introduction of DDT, their population had increased during the DDT years.

Moreover, the professor refutes that DDT causes thinning in eggshells. He specified in the listening passage that according to experiments, there is no correlation between DDT and eggshell thinning. On the contrary, oil spills, lead, mercury and other factors such as stress from noise and fear are directly related with this problem.

Finally, according to the professor, studies show that the claim that DDT causes human cancer has been exaggerated. Apart from this, although he agrees with the point in the reading passage that the overuse of DDT may result in its declining in its effectiveness against insects, he offer that DDT can be reconsidered as an effective method in fighting malaria, on condition of reasonable usage of it.

Many incomplete sentences would see you receiving only a poor score for this work Alican. You MUST review your finished work, otherwise you will pay a heavy price for not having done so.

Kitos. 7.5/10