Which radiotelephone signal indicates receipt of a distress message?()
A. Roger wilco
B. Romeo,romeo,romeo
C. SOS acknowledged
D. Mayday roger
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患儿女,10个月,因“面色苍白,精神、食欲差2个月”来诊。人工(羊奶)喂养,未添加辅食。查体:面色苍白,睑结膜苍白;心前区可闻及Ⅱ/Ⅵ级柔和收缩期杂音,肝肋下2cm,脾肋下1cm。血常规:Hb75g/L,RBC2.2×1012/L,WBC6.0×109/L,PLT110×109/L,网织红细胞0.01。患儿外周血形态学检查结果应该是()
A. MCV(fl)80~94,MCH(pg)28~32,MCHC(g/L)320~380
B. MCV(fl)80~98,MCH(pg)28~36,MCHC(g/L)320~400
C. MCV(fl)>94,MCH(pg)>32,MCHC(g/L)320~360
D. MCV(fl)<80,MCH(pg)<28,MCHC(g/L)320~360
E. MCV(fl)<80,MCH(pg)<28,MCHC(g/L)<320
在一定的原水水质和工艺条件下,要保证出厂水浊度达到一定要求,首先应保证滤池出水达到设计要求。
A. 正确
B. 错误