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Question

Difficulty: MediumPrepositions and Prepositional Phrases

The new hull coating developed by the marine research institute is completely impervious _____ corrosion caused by prolonged exposure to salt water. Which of the following prepositions correctly completes the sentence?

  1. toAnswer
  2. B
    against
  3. C
    from
  4. D
    for

Answer

The preposition 'to' correctly completes the sentence because the adjective 'impervious' obligatorily takes the dependent preposition 'to'.
The correct response uses 'to' because 'impervious' is a fixed adjective-preposition collocation that takes 'to' to indicate resistance or penetration limits.

Step-by-Step Solution

1
Identify the head word preceding the preposition blank
The target word is the adjective 'impervious'.
Prepositional complementation depends on the specific lexical head (adjective, verb, or noun) in the clause.
2
Determine the required dependent preposition for 'impervious'
'Impervious' requires 'to' (impervious to something).
Standard English grammatical collocations dictate that 'impervious' pairs exclusively with 'to' when meaning incapable of being passed through or affected by.

Key Concept

Dependent Prepositions following Adjectives
Estimated Time:50s
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Topics

Prepositions and Prepositional Phrases

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