It is very important to______carefully to get a sharp picture.A、focusB、objectC

游客2025-03-11 15

问题 It is very important to______carefully to get a sharp picture.

选项 A、focus
B、object
C、preserve
D、fix

答案 A

解析 focus“调焦”；object“反对”；preserve“保护”；fix“固定”。

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