只要我们能够合理的调整，就可以将心理调整到适应的状态。
参考答案：对
CO2气体钢瓶颜色为（）色，用黑漆标明“液化二氧化碳”字样。
.
Putting down he receiver, he__________his umbrella and made for the door.
A．put up
B．brought up
C．opened up
D．picked up
