难题讲解：
1.TILE: MOSAIC:: 
(A) wood: totem
(B) stitch: sampler
(C) ink: scroll 
(D) pedestal: column
(E) tapestry: rug
2.REDOUBTABLE: AWE:: 
(A) tart: pungency
(B) tacit: solitude
(C) despicable: contempt
(D) engrossing: obliviousness
(E) venerable: renown
3. COMPLAIN: CARP:: 
(A) supply: donate
(B) argue: debate
(C) grumble: accuse
(D) drink: guzzle
(E) pacify: intervene
4. SKIRMISH: INSIGNIFICANCE::
(A) revolution: democracy
(B) duel: formality
(C) feud: impartiality
(D) bout: sparring
(E) crusade: remoteness
5. MERCENARY: MONEY:: 
(A) vindictive: revenge 
(B) scholarly: library
(C) immaculate: cleanliness 
(D) thirsty: water
(E) belligerent: invasion
6. TROUBLED: DISTRAUGHT::
(A) annoyed: disillusioned
(B) disturbed: interrupted
(C) covetous: rapacious
(D) outmoded: ostentatious
(E) tranquil: placid