1. Since it is now----to build the complex central processing unit of a computer on a single silicon chip using photolithography and chemical etching, it seems plausible that other miniature structures might be fabricated in----ways.
(A) unprecedented.. undiscovered
(B) difficult.. related (C) permitted.. unique
(D) mandatory.. congruent (E) routine.. similar
2. Given the evidence of Egyptian and Babylonian
----later Greek civilization, it would be incorrect
to view the work of Greek scientists as an entirely independent creation.
(A) disdain for (B) imitation of
(C) ambivalence about (D) deference to
(E) influence on
3. Laws do not ensure social order since laws can always be----, which makes them----unless the authorities have the will and the power to detect and punish wrongdoing.