Lab workers must wear protective ______.


  1. A.
    cloth
  2. B.
    dress
  3. C.
    clothing
  4. D.
    costume
C
此題考查詞義辨析。cloth指做衣服用的布料，不可數(shù)；dress尤指女子的連衣裙及某種特殊場合下穿著的服裝；clothing是衣服、服裝的總稱，集體名詞，不可數(shù)。作主語時，謂語用單數(shù)形式；costume指服裝、服裝式樣(尤指用于某時期、某團體或某活動的服飾)。
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