1.
In
1793, Charles Newbold designed a cast iron plow that ______ than the wooden
plows then in use.
a)
was
more efficient
b)
was
of more efficiency
c)
had
more efficiency
d)
it
was more efficient
2.
______
think of metallurgy as a modern field of science, but it is actually one of the
oldest.
a)
Although
many people
b)
Many
people
c)
Many
people who
d)
In
spite of many people
3. Part
of Jane Colden’s work involved collecting plant specimens, cataloguing plants,
and ______with other botanists.
a)
exchanging
correspondence
b)
her
exchange of correspondence
c)
correspondence
exchanging
d)
correspondence
was exchanged
4.
The
walls of arteries ______ into three layers.
a)
they
divide
b)
dividing
c)
to
be divided
d)
are
divided
5.
The
art of storytelling is ______ humanity.
a)
as
old
b)
old
as
c)
as
old as
d)
old
6.
A
cloud is a dense mass of ______ water vapour or ice particles.
a)
or
b)
whether
c)
both
d)
either
7. Centuries
of erosion have exposed ______ rock surfaces in the Painted Desert of northern
Arizona.
a)
rainbow-colored
b)
colored
like a rainbow
c)
in
colors of the rainbow
d)
a
rainbow’s coloring
8.
Nellie
Ross of Wyoming was the first woman ______ governor in the United States.
a)
who
elected
b)
to be elected
c)
was
elected
d)
her
election as
9.
Dry
farming is a type of agriculture used in areas ______ less than 20 inches of
rainfall.
a)
there
are
b)
in
which is
c)
where
there is
d)
which
has
10.
Once
known as the ‘Golden State’ because of its gold mines, ______.
a)
North
Carolina today mines few metallic minerals
b)
few
metallic minerals are mined in North Carolina today
c)
there
are few metallic minerals mined in North Carolina today
d)
today
in North Carolina few metallic minerals are mined
11.
Indoor
heating systems have made ______ for people to live and work comfortably in
temperate climates.
a)
possible
that
b)
it
possible
c)
possible
d)
it
is possible
12.
______
of liquids through pipes.
a)
The
flow controlled by valves
b)
For
valves to control the flow
c)
Valves
control the flow
d)
Controlled
by valves, the flow
13.
Honey
is the only form of naturally occurring sugar that ______ to be refined before
it can be eaten.
a)
has
not
b)
does
not have
c)
not
having
d)
does
not
14.
______
species of wild goats, only one, the Rocky Mountain goat, is native to North
America.
a)
The
ten
b)
Ten
of the
c)
Of
the ten
d)
There
are ten
15.
Snare
drums produce a sharp, rattling sound ______.
a)
as
striking
b)
when
are struck
c)
struck
d)
when
struck
ANSWER
KEY
1.
A
2.
B
3.
A
4.
D
5.
C
6.
D
7.
A
8.
B
9.
C
10.
A
11.
B
12.
C
13.
B
14.
C
15.
D
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