Studies have found that using a mobile phone for long hours can raise HRV levels

游客2025-01-25 12

问题 Studies have found that using a mobile phone for long hours can raise HRV levels.

选项 A、正确
B、错误

答案 B

解析原文说：Studies have found that using a mobile phone for long hours call lower HRV levels．可见长时间使用手机会降低使用者的HRV(心率变异性)，而不是“提高”，因此，是错误的。

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[originaltext]NITDoCoMoInc,Japan’slargestmobilephoneserviceprovider