The diagram below shows the development of cutting tools in the Stone Age. Summarise the information by selecting and reporting the main features and make comparisons where relevant. You should write at least 150 words.
Cutting
tools
is not a new invention. In fact, humans
have been using cutting tools
since 1.4 million
years
ago. However
, the shape
of cutting tools
used by humans
have
been continuously developing. Currently, we've known Correct subject-verb agreement
has
knifes
, cutters, and scissors as our main cutting Correct your spelling
knives
tools
. Back in the stone era, humans
make their own cutting tools
from rocks. It explains why the shape
of the rock used as cutting tools
we usually see in the museum is rugged.
The development of cutting tools
can be seen through the differences of
the Change preposition
in
shape
between cutting tools
from 1.4 million
years
ago with the one from 0.8 million
years
ago. Humans
from 0.8 million
years
ago tend to make their cutting tools
more pointy. They pay attention to the detail of putting a handle the bottom side of the tools
is broader and the shape
is narrowing down to the tip of the tools
, which we suggest is the sharpest part they use to cut things. While
the humans
from 1.4 million
years
ago tend to make their cutting tools
more even. It is not as sharp as the one from 0.8 million
years
ago. The shape
of the tools
can be seen rougher. This
might also
open a new view that the tools
they used to sharpen the cutting tools
have also
developed within
time. Surprisingly, they Change preposition
over
also
consider the ergonomic factor. They considered to make
a more comfortable handle which we can see from tool B.
The development of cutting Change the verb form
making
tool
is one of the most important Fix the agreement mistake
tools
thing
in Change to a plural noun
things
this
world. Human
have been continuously developing from Fix the agreement mistake
Humans
million
Correct article usage
a million
years
ago, including the brain of the
Correct article usage
apply
human
. From the development of Fix the agreement mistake
humans
the
cutting Correct article usage
apply
tools
we can see how Add a comma
tools,
humans
learn how to use tools
until ergonomic
aspect Correct article usage
the ergonomic
in
their Change preposition
of
life
.Fix the agreement mistake
lives
Submitted by kezia.ch.wibowo on
Unauthorized use and/or duplication of this material without express and written permission from this site’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Writing9 with appropriate and specific direction to the original content.
Linking words: Don't use the same linking words: "also".
▼
Introduction: The introduction is missing.
▼
Introduction: The chart intro is missing.
▼
Common mistake: Your writing should be 150-250 words.
Basic structure: Change the third paragraph.
▼
Introduction: The chart intro is missing.
▼
Vocabulary: Replace the words tools, humans, million, years, shape with synonyms.
▼
Vocabulary: Only 2 basic words for charts were used.
▼
Vocabulary: Use several vocabularies to present the data in the third paragraph.
▼