语法
1.Portland,Maine,is _____ the poet Henry Wadsworth Longfellow spent his early years.
where
it where
where is
which is where
2.As consumers'response to traditional advertising1 techniques declines,businesses are beginning _____ new methods of reaching customers.
the development that
it developing
develop
to develop
3.The knee is _____ most other joints2 in the body because it cannot twist without injury.
more likely to be damaged than
likely to be more than damaged
more than likely to be damaged
to be damaged more than likely
4.The quince is an attractive shrub3 or small tree _____ closely related to the apple and pear trees.
is
that is
that it is
is that which
5.Many gases,including the nitrogen and oxygen in air,_____ color or odor.
have no
which have no
not having
they do not have
6.The American Academy of Poets,_____ the 1930's,provides financial assistance to support working poets.
when it was founded
was founded
which was founded in
was founded in
7.During the Pleistocene glacial periods _____ portions of the Earth where plant and animal life flourished making it possible for people to subsist4.
the
it was
there were
have there been
8.The photographs of Carrie Mae Weems,in which she often makes her family members _____,are an affectionate and incisive5 representation of the African American experience.
are her subjects
her subjects
are subjects
which her subjects.
9.Hubble's law states that the greater the distance between any two galaxies,_____ is their relative speed of separation.
the greatest
the greater
greater than
as great as
10.The onion is characterized by an edible6 bulb composed of leaves rich in sugar and a pungent7 oil,_____ the vegetable's strong taste.
which the source of
that the source is
the source of
of the source is
11.A regional writer with a gift for dialect,_____ her fiction with the eccentric,comic,but vital inhabitants of rural Mississippi.
and Eudora Welty is peopling
Eudora Welty peoples
because Eudora Welty peoples.
Eudora Welty,to people.
12.Relative humidity is the amount of water vapor8 the air contains at a certain temperature _____ with the amount it could hold at that temperature.
to compare
compared
comparing
compares