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考试类型:Critical Reading > Sentence Completions
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
While a “rock” is usually defined as ------- , or a combination, of one or more minerals, geologists often ------- the definition to include such materials as clay, loose sand, and certain limestones.
A. a conglomeration . . limit
B. an aggregate . . extend
C. an element . . eliminate
D. a blend . . restrict
E. a product . . provide
