Expressions "like a paper-weight"

[lamTung]

English Language Tests, Intermediate level

ESL/EFL Test #116 "Paper expressions", question 3

If you keep the window open all the time, you'll need something heavy like a paper-......... to stop things blowing away.

(a) stone
(b) rock
(c) weight
(d) block

English Language Tests, Intermediate level

ESL/EFL Test #116 "Paper expressions", answer 3

If you keep the window open all the time, you'll need something heavy like a paper-weight to stop things blowing away.

Correct answer: (c) weight

Your answer was: incorrect
If you keep the window open all the time, you'll need something heavy like a paper-block to stop things blowing away.
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hi!
what does sentence mean?
lamTung

[Yankee]

Hi

If a window is open, and it is a windy day, then papers and other things that are not too heavy might be blown off a desk or table by the wind, for example. If you put a paperweight (or something else that is heavy) on top of your papers, then they won't be blown off the desk or table by the wind.
.
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Amy
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ESL teacher, translator, and a native speaker of American English

[Mister Micawber]

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PAPERWEIGHTS
.
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Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber