2. 外语
  3. Lipids, one of the Aprincipal components of Bliving cells, have a Cspecialize role as the main Dstructural component of membrane

Lipids, one of the Aprincipal components of Bliving cells, have a Cspecialize role as the main Dstructural component of membrane

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问题 Lipids, one of the Aprincipal components of Bliving cells, have a Cspecialize role as the main Dstructural component of membranes.
选项 A、 
B、 
C、 
D、 
答案C
解析 Specialize is an incorrect form. The past participle is needed as a passive participial adjective before role. Correction: specialized.
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