进行急救时，不论患者还是救援人员都需要进行适当的防护。特别是把患者从严重污染的场所救出时，救援人员必须加以预防，避免成为新的受害者。
参考答案：对
You may come to my house ____ this week ____ next week. [ ]
A. neither; or
B. from; to
C. either; or
D. either; nor
A man has to make______for his old age by putting aside enough money to live when olD．
A．supply
B．assurance
C．provision
D．adjustment
