a. any do
b. than do any
c. than any do
d. do than

6.  When … impulses from many of the neurons in one part of the brain, an epileptic seizure occurs.

a. the simultaneous bursts
b. simultaneously burst
c. there are simultaneous bursts of
d. simultaneously bursting

7. The gray scale, a progressive series of shades ranging from black to white, is used in computer
graphics ---- detail to graphical images.

a. added
b. to add
c. are added
d. and add

8. By ---- excluding competition from an industry, governments have often created public service monopolies.

a. they adopt laws
b. laws are adopted
c. adopting laws
d. having laws adopt

9. ---- skeleton of an insect is on the outside of its body.

a. Its
b. That the
c. There is a
d. The

10. Lenses, ---- are used to correct imperfections in eyesight.

a. are the forms of glasses and contact lenses
b. in the form of glasses and contact lenses
c. glasses and contact lenses which form
d. glasses and contact lenses may be formed

11. In eighteenth-century North America, printed engravings provided ---- of rococo style.

a. the most manifestation widespread
b. manifestation widespread the most
c. the widespread manifestation most
d. the most widespread manifestation

12. In the Arctic tundra, ice fog may form under clear skies in winter, ---- coastal fogs or low status clouds are common in summer.

a. because of
b. whereas
c. despite
d. that