When the athlete experienced ______ heartbeats and pain in his left arm, the tra

游客2024-02-12 44

问题 When the athlete experienced ______ heartbeats and pain in his left arm, the trainer sent him to the emergency room.

选项 A、irregular
B、derivative
C、primary
D、multiple

答案 A

解析此题是形容词辨析。irregular，不规则的；derivative，引出的；primary，主要的；multiple，复合的．复式的，多重；复杂的；多样的。

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