题型:填空题 When speaking in public, it is important to _____ your message _____ and keep the attention of your audience.A.get…throughB.get…intoC.get…overD.get…across 查看答案
题型:填空题 彩色血流多普勒显像检查时彩色增益过高,会出现什么现象()A.血流信号显示不连续,有中断现象B.彩色血流信号溢出到血管外,使血流假性增宽C.血流充盈不好,血管内有假性充盈缺损D.血流信号缺乏,假性闭塞E.彩色信号出现翻转(倒错),血流行走方向反向 查看答案