根据施行心肺复苏法的程序，应在何时做第一次检查呼吸？
参考答案：
在气道通畅后，立即进行。
Do you know by the time you leaves school your parents ________ $ 6 000 on your education.
A．will have spent
B．will spend
C．will be spending
D．have spent
简述处理与内部公众关系的艺术。
