对产妇正确的出院指导是()
A.产后64天复查
B.坚持母乳喂养42天
C.哺乳期间无需避孕
D.新生儿生理性黄疸持续1周左右
E.性生活在产后4周恢复
参考答案:D
— May I have a talk with one of your sports reporters?
— Sorry, but all of them are out to ________ the main events of the day.
A.get
B.find
C.cover
D.search
在一段时间内每个受众接触同一广告的次数是广告的()
A.到达率
B.频率
C.持续性
D.总强度