食品储存不当或超过保质期就会受污染或变质，这样的食物（）。
A.不能食用
B.可以食用
C.处理后食用
参考答案：A
—How did you get in touch with the travel agent, Robin?
—Oh, that’s easy. I surfed the Internet and then called one ________ the telephone
number is provided.
A．which
B．in which
C．of which
D．whose
由于手术过程中会失血，所以缩窄性心包炎术后需要大量输液。()
