2. 职称英语
  3. A、Because it needs medical equipment.B、Because it needs professional knowledge.

A、Because it needs medical equipment.B、Because it needs professional knowledge.

游客2024-11-04  18
问题
选项 A、Because it needs medical equipment.
B、Because it needs professional knowledge.
C、Because we are reluctant to admit the time we spend on smartphones.
D、Because we are unaware of the time we spend on smartphones.
答案 D
解析
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