問題詳情

1. Microscopes are used in medical research labs for studying bacteria or ______ that are too small to bevisible to the naked eye.
(A) agencies
(B) codes
(C) germs
(D) indexes

參考答案

答案:C
難度:簡單0.727941
統計:A(13),B(16),C(99),D(8),E(0)

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