VGT是可变截面涡轮增压系统
参考答案:对
新生儿娩出后1分钟内情况是:新生儿出生后,四肢青紫,吸痰器清理呼吸道时患儿有恶心表现,四肢稍弯曲,心搏90次/分,呼吸浅、慢、不规则,新生儿评分应得()
A.0分
B.2分
C.4分
D.6分
E.8分
You should have told me there was no meeting today, I _____ have run all the way here through the heavy rain. [ ]
A. can't
B. mustn't
C. shouldn't
D. needn't