热电偶是目前应用最广泛的感温元件之一，一般用于测量（）以上的温度。
A、700℃
B、600℃
C、500℃
D、400℃
参考答案：C
On seeing that the famous actress came onto the stage with her boy friend _______ her, all the fans burst out screaming.
A．accompanying with
B．accompanying
C．accompanied with
D．accompanied
此患者需做大便潜血试验，前3天应禁食
A．白菜
B．牛奶
C．土豆
D．冬瓜
E．羊血
