2. 职称英语
  3. A、It helps protect the bone and protects us from diseases.B、It may protect the

A、It helps protect the bone and protects us from diseases.B、It may protect the

游客2023-08-06  34
问题
选项 A、It helps protect the bone and protects us from diseases.
B、It may protect the bone and cure some diseases.
C、It helps build up new bones and protects us from diseases.
D、It could build up new bones and cure some diseases.
答案 A
解析
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