In aproduction process that is complex and often unpredictable, roles that start out discretely defined may become quite_______.
A：confused
B：perfunctory
C：independent
D：overt
E：exacting
答案：A
Many legislators who helped Roosevelt shape the New Deal _____ the fact that emerging social problems affected every segment of the population; nonetheless, they often acted with a view to aiding only their ownconstituents.
A：disregarded
B：bemoaned
C：ignored
D：disputed
E：downplayed
答案：B
Coagulation factors are useful proteins whose simple names—many are known only by Roman numerals—_____ their importance and the specificity of their roles in the thinning and clotting of blood.
A：nullify
B：obviate
C：mitigate
D：belie
E：mask
F：accentuate
答案：DE
Laws protecting intellectual property are intended to stimulate creativity, yet some forms of creative work have never enjoyed legal protection—a situation that ought to be of great interest. If we see certain forms of creative endeavor (i)______ as a result of uncontrolled copying, we might decided to (ii)______ intellectual property law. Conversely,if unprotected creative work (iii)______ in the absence of legal rules against copying, we would do well to know how such flourishing is sustained.
Blank (I)Blank (II)Blank (III)
A：languishing D：jettison G：declines in originality
B：proliferating E：extend H：manages to thrive
C：diversifying F：relax I：openly invites imitation
答案：AEH
For parents, the pleasure of letting children choose which book to read aloud together is not always____ : I well remembered my inner groans when my child would constantly pick my least favorite book from the shelf.
A：intangible
B：enduring
C：impalpable
D：unalloyed
E：ephemeral
F：unqualified
答案：DF