They tried ______ respiration but it was of no avail.A、artificialB、unnaturalC、

游客2025-04-03 14

问题 They tried ______ respiration but it was of no avail.

选项 A、artificial
B、unnatural
C、false
D、unreal

答案 A

解析 artificial a.人工的，人造的；假的，矫揉造作的。

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