头位胎儿窘迫,以下表现不正确的是
A.羊水黄绿色,有胎粪
B.胎动减少,每小时0~2次
C.宫缩时胎心<120次/分
D.胎心率>160次/分
E.OCT阳性
参考答案:C
—Why do you prevent them______playing computer games?
---Because they have a bad______on teenagers.
A.from,effect
B.from,affect
C.to,effect
D.to,effect
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