1.
During the
1700s, Philadelphia developed into the most wealthy city
in A B C
the American colonies
D
The
incorrect answer : C. most wealthy
The right
answer : wealthiest
The
reason : because two-syllable adjectives, ending in-y, are made into
superlatives by using “-iest” all other two-syllable adjectives use “most”
2.
Octopuses have not only large
brains and also a well-developed nervous system
A B C D
The
incorrect answer : B. and
The right
answer : but
The
reason : because “but” is used to show contrast or unexpected differences
3.
Science is the process of gathering knowledge and answering
questions about
A B C
the world
and how works it.
D
The
incorrect answer : B. gathering
The right
answer : gathered
The
reason : because it is as a verb using gathered in conjunction with knowledge
seems more suitable to collect normally separate things
4.
The development of voice recognition will enable
the computer to respond to
A B C
A B C
commands
spoken.
D
The
incorrect answer : D. commands spoken
The right
answer : command spoken
The
reason : because it refer to the voice recognition, so it should use singular
noun “command”
5.
Nails act as a hard base for the sensitive skin
of the fingertips and toe tips to
A B
press against
, so they may help our sensitively to touch.
C D
The
incorrect answer : C. sensitively
The right
answer : sensitivity
The
reason : because it refers to human’s part body, fingertips and toe tips
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