单位重量气体,通过风机所获得的能量用风机的()来表示。
A.轴功率
B.出口风压
C.全压
D.出口温升
参考答案:C
根据算式填入正确的基数词完成句子。
1. 16 + 20 = ?
What's ____________ and ____________? It's ____________.
2. 65 + 25 = ?
3. 35 -6 = ?
What's ____________ minus ____________? It's ____________.
4. 7 × 9 = ?
What's ____________ times ____________? It's ____________.
5. 81 ÷ 3 = ?
What's ____________ divided by ____________? It's ____________.
某糖尿病病人,突发双下肢瘫痪,考虑低血钾型周期性瘫痪,下述其临床中正确的是()
A.多见于中老年患者
B.颅神经受损
C.对称性弛缓性瘫痪
D.腱反射亢进
E.病理反射阳性