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22 Sep 2025, 10:32
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Whereas early work in the field of spectroscopy (i) _________ the dispersal of visible light by a prism, the concept was later (ii) _________ to (iii) _________ any and all interactions with radiative energy, including electromagnetic radiation, pressure waves, and the kinetic energy of particles.
Blank (i)
A. contrasted with
B. arose from
C. focused on
Blank (ii)
D. expanded
E. transformed
F. amended
Blank (iii)
G. affirm
H. endure
I. include
Blank (i)
A. contrasted with
B. arose from
C. focused on
Blank (ii)
D. expanded
E. transformed
F. amended
Blank (iii)
G. affirm
H. endure
I. include
28 Sep 2025, 10:37
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Official Explanation
The sentence contrasts early and later work in the field of spectroscopy: “early work” had something to do with “visible light,” while later work had something to do with “any and all interactions” of a certain type. The two blanks likely need to be filled together, so scan the answers. The options for the second blank are fairly similar: they all mean some form of “broadened” or “changed.” If the later work broadened or changed something for “any and all interactions,” then the earlier work must have been more narrow in scope. The best pairing is “focused on” and “expanded”: the early work “focused on” a more narrow area, while the later work “expanded” to “include” more interactions. For the first blank, “contrasted with” and “arose from” do not pair with the idea of broadened or changed to create a contrast between the first two blanks. For the second, “transformed” and “amended” both mean changed; “expanded” is a better match for the contrast with the first blank. Finally, “affirm” (assert, declare) and “endure” do not fit the full phrase: “the concept was expanded to affirm any and all interactions” or “the concept was expanded to endure any and all interactions.”
Answer: C
The sentence contrasts early and later work in the field of spectroscopy: “early work” had something to do with “visible light,” while later work had something to do with “any and all interactions” of a certain type. The two blanks likely need to be filled together, so scan the answers. The options for the second blank are fairly similar: they all mean some form of “broadened” or “changed.” If the later work broadened or changed something for “any and all interactions,” then the earlier work must have been more narrow in scope. The best pairing is “focused on” and “expanded”: the early work “focused on” a more narrow area, while the later work “expanded” to “include” more interactions. For the first blank, “contrasted with” and “arose from” do not pair with the idea of broadened or changed to create a contrast between the first two blanks. For the second, “transformed” and “amended” both mean changed; “expanded” is a better match for the contrast with the first blank. Finally, “affirm” (assert, declare) and “endure” do not fit the full phrase: “the concept was expanded to affirm any and all interactions” or “the concept was expanded to endure any and all interactions.”
Answer: C
