阿摩線上測驗
24 Immunization _______ against fatal diseases has increased to 99% in some countries.
(A) possession
(B) appraisal
(C) coverage
(D) exposure
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統計： A(0), B(2), C(8), D(2), E(0) #3517808
統計： A(0), B(2), C(8), D(2), E(0) #3517808
