【单选题】If we ______ him earlier we might have save his life.
【单选题】Yesterday I met Jim. We ____________ each other since we _________ middle school.
A.
haven’t seen ; finished
B.
haven’t seen; finishing
C.
hadn’t seen; finishing
【单选题】8个月男婴,8月份因腹泻1周来急诊,大便初为5~6次/日,黄绿色,蛋花汤样便伴有黏液、发霉臭味,无里急后重,近2天大便每天10余次,伴呕吐1~2次/日,纳差,饮水少,尿少,测血钠125mmol/L,体重7kg,精神萎靡,皮肤弹性较差,前囟、眼窝明显凹陷,四肢稍凉。入院后静脉补液,下列哪组液体治疗较合理()
A.
第1天补液量:50~90ml/kg,液体种类:2/3含钠液,累积损失补0~50ml/kg
B.
第1天补液量:90~120ml/kg,液体种类:1/3含钠液,累积损失补50~60ml/kg
C.
第1天补液量:120~150ml/kg,液体种类:2/3含钠液,累积损失补50~100ml/kg
D.
第1天补液量:150~180ml/kg,液体种类:1/2含钠液,累积损失补100~120ml/kg
E.
第1天补液量:180~200ml/kg,液体种类:1/2含钠液,累积损失补120~150ml/kg
【判断题】四冲程柴油机气门叠开是发生在排气上止点附近。
【判断题】由于有气门叠开期,所以“回火”现象在柴油机和汽油机上都可能发生。
【单选题】( )是两种或者多种刺激的综合效应,它导致感觉水平超过预期的每种刺激各自的效应总和。因此,又叫作“相乘效应”。
【单选题】What do you expect the author is going to discuss in the next paragraph if possible?
A.
The negative effects of the 'one-way-to-win' mentality.
B.
The dispensability of college education.
C.
The possible successful stories of college graduates.
D.
The successful career-related courses like vocational-training.