Art conservators restoring centuries-old oil paintings must exercise great caution during the cleaning process. Applying too much solvent can permanently damage the original paint layer, while applying too little leaves the surface dirt intact. Consequently, conservators depend on ________ testing to determine the safest and most effective concentration of cleaning agents before starting their work.
Which choice completes the text with the most logical and precise word or phrase?
- Asuperficial
- Barbitrary
- preliminaryCevap
- Dpermanent
Cevap
preliminary
The correct option is 'preliminary' because the text specifies that the testing is performed 'before starting their work.' A word meaning introductory or preparatory is the most logical fit for tests done prior to beginning a delicate restoration process.
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Anahtar Kavram
Identifying contextual meaning of high-utility vocabulary in academic passages.
Tahmini Süre:45s