1.Many fine cooks insist on ingredients of the highest quality.
A)demand
B)rely on
C)prepare for
D)create
2.Since the Great Depression，the United States government has protected farmers from damaging drops in grain prices.
A)slight
B) surprising
C)sudden
D)harmful
3.Cement was seldom used in building during the Middle Ages.
A)crudely
B)rarely
C)originally
D)symbolically
4.Nerve signals may travel through nerve or muscle fibers at speeds as high as two hundred miles per hour.
A)velocities
B)impulses
C)ratios
D)atrocities
5.The poet William Carlos Williams was a New Jersey physician.
A)doctor
B)professorw
C)physicist
D)resident