16. E-entitlement.

　　. Answer in Context:  Personal sacrifice without the promise of immediate gain is an anomaly in this era when a sense of entitlement is the most powerful predisposition shaping individual actions.

　　17. E-affirm the thematic coherence underlying Raisin in the Sun

　　18. C-The painter of this picture could not intend it to be funny; therefore, its humor must result from a lack of skill.

　　19. Sentence 5-But the play's complex view of Black self-esteem and human solidarity as compatible is no more "contradictory" than Du Bois's famous, well-considered ideal of ethnic self-awareness coexisting with human unity, or Fanon's emphasis on an ideal internationalism that also accommodates national identities and roles.

　　20. C-Because of shortages in funding, the organizing committee of the choral festival required singers to purchase their own copies of the music performed at the festival.

　　21. Blank (i)  C-mimicking

　　Blank (ii)  D- transmitted to

　　Answer in context:  New technologies often begin by mimicking what has gone before, and they change the world later.  Think how long it took power-using companies to recognize that with electricity they did not need to cluster their machinery around the power source, as in the days of steam.  Instead, power could be transmitted to their processes.  In that sense, many of today's computer networks are still in the steam age.  Their full potential remains unrealized.

　　22. Blank (i)  B-opaque to,

　　Blank (ii)  D-an arcane

　　Answer in context:  There has been much hand-wringing about how unprepared American students are for college.  Graff reverses this perspective, suggesting that colleges are unprepared for students.  In his analysis, the university culture is largely opaque to entering students because academic culture fails to make connections to the kinds of arguments and cultural references that students grasp.  Understandably, many students view academic life as an arcane ritual.

　　23. Blank (i)  C. defiant

　　Blank (ii)  D. disregard for

　　Answer in context:  Of course anyone who has ever perused an unmodernized text of Captain Clark's journals knows that the Captain was one of the most defiant spellers ever to write in English, but despite this disregard for orthographical rules, Clark is never unclear.

　　24. A-There have been some open jobs for which no qualified FasCorp employee applied.

　　25. C-presenting a possible explanation of a phenomenon

　　26. A-The pull theory is not universally accepted by scientists.

　　B-The pull theory depends on one of water's physical properties.

　　27. E-the mechanism underlying water's tensile strength

　　28. C-During the next 15 years, it will be impossible, just by switching to biodiesel, to meet the government's stated goal with respect to reducing air pollution.