While delivering a speech with a microphone, you should ________.
A、shoutoutwiththelargestvolume;
B、murmurtoyourself;
C、putthemicrophoneneartoyourmouthascloseaspossible;
D、putthemicrophoneneartoyourmouthbutwithadistanceofabout3-5cm
发布时间:2025-10-23 03:30:43