某病人呼吸由浅慢逐渐加快加深,后又逐渐变浅变慢,然后暂停数秒,可出现上述状态呼吸,考虑为
A.间断呼吸
B.浮浅呼吸
C.深大呼吸
D.潮式呼吸
E.吸气性呼吸困难
参考答案:D
The old man said ______ they did was right, he would help them. [ ]
A. that if what
B. what if that
C. if that what
D. that what if
当蒸汽压力()弹簧式安全阀弹簧的反作用力时,弹簧被压缩,阀芯抬起离开阀座,排出蒸汽。
A.小于
B.大于
C.不大于
D.等于