Berikut ini adalah pertanyaan dari ahmasamsur pada mata pelajaran B. inggris untuk jenjang Sekolah Menengah Atas
processes to ensure the water is safe to drink. But they might not know that the use of some of these
chemicals, such as chlorine, can also lead to the formation of unregulated toxic byproducts.
(1) Prasse said the number of disinfection byproducts that are regulated in drinking water have not
changed since the 1990s, despite clear scientific evidence for the presence of other toxic compounds.
(2) The existing approach to evaluate chemicals in drinking water is extremely tedious and based
on methods that are often outdated, he said. (3) For instance, chemicals are currently evaluated for
toxicity by expensive, time-consuming animal studies.
Applying those same methods to the growing number of chemicals in drinking water would not be
economically feasible, Prasse said. At a minimum, he added, new methods are needed to identify
chemicals that are of highest concern.
"This method can help us prioritize which chemicals we need to be paying closer attention to with
possible new regulations and new limits while saving time and resources," Prasse said.
(4) This new approach, which takes advantage of recent advances in the fields of analytical chemistry
and molecular toxicology, identifies toxicants based on their reactivity with biomolecules such as amino
acids, the building blocks of proteins. The new approach simulates this process in order to identify toxic
chemicals in drinking water.
31,2021-01-31
a. Most consumers of drinking water in the United States know that chemicals are used in the treatment
processes to ensure the water is safe to drink.
What does the bold-typed word in the sentence mean?
b. Identify the main phrase of the bold-typed ones on sentence number 2
c. Identify the main clause of sentence number 4
d. What is the function of the bold-typed word in sentence number 3
e. What is the function of the bold-typedword( linking words)in sentence number 1
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Jawaban dan Penjelasan
Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.
Jawaban:
a. The word ensure means “to make a thing or person sure about something” or “memastikan/meyakinkan” in Indonesian.
b. Main phrase = drinking water
c. Main clause = The new approach simulates this process in order to identify toxic chemicals in drinking water.
d. There is very little difference between “for example” and “for instance”. Both of these expressions are used when a speaker or writer wants to introduce a specific person or thing that helps to explain or confirm a general statement.
e. Although, even though, in spite of and despite are all used to link two contrasting ideas or show that one fact makes the other fact surprising. They can all be used at the beginning or in the middle of the sentence.
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Last Update: Tue, 22 Aug 23