2.after her death in 1986 many documtaries ……georgia o’keeffe were produceda. related the life and work

b. to relate life and work

c. life and working to relate

d. relating to the live and work of

3…….. the passage of light,many new plastics are procced using technologies rivaling those used in the manucfacture of computer chips.

a. to better permit

b. permitting

c. for the better of

d. it is better for

4.all architectural structures are designed to bear their own weight ,…….

a. as wel as that of the people and objects that us them

b. also the people and objects that are using them

c. but the people and objects that use them

d. addotonally the people and objects that are used by them

5.uranium,……. is an exceedingly are and protentialydangerous elemrnt


a. to found in trace quantities