TRIK JITU MENGERJAKAN SOAL TOEFL,WRITTEN EXPRESSION DAN PEMBAHASANNYA

TRIK JITU MENGERJAKAN SOAL TOEFL (WRITTEN EXPRESSION 10)DAN PEMBAHASANNYA

By YULI ROSA RITA -
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1. Please give me a few coffee and some donuts if you have any left.                    A                B                              C                              D jawab :(B)a few key word :coffee pembahasan: seharusnya a little ,coffee adalah noun-countable noun. 2. There are ten childs playing in the yard near her house,but your child is not among them.            A                      B                                                                                     C                           D jawab :(B)childs key word: ten pembahasan :seharusnya children ,jamak dari child adalah children 3. People respected George Washington because he was a honest man ,and he returned out          A                                                                    B                                 C to  be one of our greatest   military leaders.                 D jawab :(C)a honest man key word :honest pembahasan :seharusnya an honest man ,honest dibaca
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TRIK JITU MENGERJAKAN SOAL TOEFL(READING)DAN PEMBAHASANNYA

By YULI ROSA RITA -

         About fifty years ago,plant physiologists set out to grow roots by themselves in solutions in laboratory flasks.The scientists found that the nutrition of isolated roots was quite simple.They required sugar and the usual minerals and vitamins.However,they did not require organic nitrogen compounds.These roots got along fine on mineral inorganic nitrogen.Roots are capable of making their own proteins and other organic compounds.These activities by roots require energy,of course.The process of respiration uses sugar to make the high energy compound ATP,which drives the indochemical reactions.Respiration also requires oxygen.Highly active rots require a good deal of oxygen.

        The study of isolated roots has provided an understanding of the relationship between shoots and roots in intact plants.The leaves of the shoots provide the roots with sugar and vitamins,and the roots provide the shoots with water and minerals.In addition,roots can provide the shoots with organic nitrogen compounds.This comes in handly for the growth of buds in the early spring when leaves are not yet functioning.Once leaves begin photosynthesizing,they produce protein,but only mature leaves can"export"protein to the rest of the form of amilo acids.

1.What is the main topic of the passage?

a.The relationship between a plant's roots and its shoots.

b.What can be learned by growing roots in isolation.

c.How plants can be grown without roots.

d.What elements are necessary for the growth of plants.

The passage generally discusses an experiment in which plant roots are grown in isolation-in other words,without the tops of the plants.

2.The word"themeselves"in line I refers to 

a.plant physiologists

b.solutions

c.laboratory flasks

d.roots

The reference is to the roots of plants.

3.According to the passage,what is ATP?

a.A biochemical process.

b.The tip of a root.

c.A chemical compound

d.A type of plant cell.

According to the passage(line 6-7),ATP is a "high-energy compound.....which drives the biochemical reactions."

4.The word"intact"in line 10 is closest in meaning to

a.mature

b.wild

c.whole

d.tiny

The word intact means whole.

5.The use of the phrase"comes in handy"in line 12 indicates that the process is

a.useful

b.predictable

c.necessary

d.succesful

The phrase comes in bandy means is useful.

6.It can be inferred from the passage that,in the early spring,the buds of plants

a."export"protein in the in the form of amino acids

b.do not require water

c.have begun photosynthesizing

d.obtain organic compounds from the roots

The fact that roots provide organic nitrogen compounds is useful for"9the growth of buds in the early spring when leaves are not yet functioning."(lines 12-13).

7.Which of the following best describes the organization of the passage?

a.The result s of two experiments are compared.

b.A generalization is made and several examples of it are given.

c.The findings of an experiment are explained.

d.A hypothesis is presented,and several means of proving it are suggested.

The passage discusses an experiment involving plant roots and the significance of that experiment.

Thank for reading TRIK JITU MENGERJAKAN SOAL TOEFL 2 DAN PEMBAHASANNYA in my blog.
REFERENCE:
TOEFL SUCCES(PETERSON'S)
TRIK JITU MENGERJAKAN SOAL TOEFL 2 DAN PEMBAHASANNYA





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soal soal toefl dan pembahasannya 2

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