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Zorluk: Çok zorClause Boundaries and Linking

Glaciologists analyzing ice cores from the West Antarctic Ice Sheet have identified anomalous dust concentrations dating back to the Last Glacial Maximum. These distinct particulate layers do not merely record localized volcanic eruptions ______ also document major, long-term shifts in hemispheric wind patterns that transported dust across vast oceanic distances, providing critical clues about prehistoric atmospheric circulation.

Which choice completes the text so that it conforms to the conventions of Standard English?

  1. ; theyCevap
  2. B
    , they
  3. C
    they
  4. D
    although they

Cevap

The correct answer is the option containing a semicolon followed by the pronoun 'they'.
The correct option successfully links two independent clauses using a semicolon. The first clause ('These distinct particulate layers do not merely record localized volcanic eruptions') and the second clause ('they also document...') are both grammatically complete. A semicolon is the standard punctuation mark for joining independent clauses without a coordinating conjunction.

Adım Adım Çözüm

1
Analyze the grammatical structure of the sentence surrounding the blank.
The clause before the blank ('These distinct particulate layers do not merely record localized volcanic eruptions') is independent. The clause starting after the blank ('they also document...') is also independent because it has a subject ('they') and a verb ('document') and expresses a complete thought.
Identifying the independence of the clauses is necessary to determine the correct punctuation and transition rules.
2
Evaluate standard punctuation rules for linking independent clauses.
Two independent clauses must be joined using a period, a semicolon, a colon, or a comma paired with a coordinating conjunction.
Connecting them with only a comma results in a comma splice, and connecting them with no punctuation results in a run-on sentence.
3
Determine the correct logical connection and eliminate incorrect choices.
The option containing '; they' correctly uses a semicolon to link the clauses. The options containing ', they' and 'they' create comma splice and run-on errors, respectively. The option with 'although they' incorrectly uses a subordinating contrast transition to link complementary ideas.
This establishes the single grammatically and logically correct option.

Anahtar Kavram

Clause boundaries and linking independent clauses
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