46). MOSAIC:TILES::
(A). painting:canvas
(B). fresco:paintbrush
(C). blend:beans
(D). narrative:prologue
(E). puzzle:pieces
47). SHRUG:INDIFFERENCE::
(A). jump:excitement
(B). scowl:pleasure
(C). snort:laughter
(D). nod:agreement
(E). sob:sorrow
48). DINGY:CHEER::
(A). sprawling:compactness
(B). airy:ventilation
(C). verdant:color
(D). ebullient:mockery
(E). wisdom:cleverness
49). BOLT:EAT::
(A). guzzle:swill
(B). career:run
(C). lambaste:talk
(D). waver:stand
(E). fabricate:lie
50). PROLOGUE:NOVEL::
(A). preamble:statute
(B). drawing:sketch
(C). movement:symphony
(D). index:book
(E). blueprint:building
Answers --
46). Best ans is E -- X is made up of Y
Mosaic picture made of small colorful inlaid tiles;
The pieces of the puzzle fit together i.e the puzzle is made up of pieces.
47). Best ans is D --Shrug is a gesture indicating indifference.
Jump is not a gesture, nor does it always indicate excitement.
Scowl is an expression indicating bad temper, not pleasure.
Snort is a noise indicating rage, not laughter.
Nod is a gesture indicating agreement; this is analogous to the relationship of the original pair.
Sob is not a gesture, but an act of crying, though it does express sorrow and pain.
48). Best ans is A -- X lacks Y or X and Y are antonyms.
49). Best ans is B -- X is to Y with great speed or X is to Y hurriedly.
bolt -- to eat hurridly
career -- to rush (or run) hurridly.
50). Best ans is A -- X is an introduction to Y
prologue is an introductory part of a literary work...novel etc
preamble is an introductory part of a constitution or statute.