9.Hubble's law states that the greater the distance between any two galaxies,_____ is their relative speed of separation.
(A)the greatest
(B)the greater
(C)greater than
(D)as great as
10.The onion is characterized by an edible bulb composed of leaves rich in sugar and a pungent oil,_____ the vegetable's strong taste.
(A)which the source of
(B)that the source is
(C)the source of
(D)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.
(A)and Eudora Welty is peopling
(B)Eudora Welty peoples
(C)because Eudora Welty peoples.
(D)Eudora Welty,to people.
12.Relative humidity is the amount of water vapor the air contains at a certain temperature _____ with the amount it could hold at that temperature.
(A)to compare
(B)compared
(C)comparing
(D)compares
13.Scientists believe the first inhabitants of the Americas arrived by crossing the land bridge that connected Siberia and _____ more than 10,000years ago.
(A)this is Alaska now
(B)Alaska is now
(C)is now Alaska
(D)what is now Alaska.
14.Fibers of hair and wool are not continuous and must normally be spun into thread _____ woven into textile fabrics.
(A)as are they
(B)when to be
(C)that they are
(D)if they are to be
15.Margaret Brent,because of her skill in managing estates,became _____ largest landholders in colonial Maryland.
(A)what the
(B)one of the
(C)who the
(D)the one that
16.Eleanor Roosevelt set
the standard against which the wives
of all
United States
A B C
