正常情况下两台探尺应同时工作，因故障原因一台探尺工作时间不得超过（）。
A.两小时
B.三小时
C.四小时
参考答案：A
用方框中所给单词的适当形式填空，每个单词限用一次。
小题1:Do you prefer _____________ fashion magazines or news magazines?
小题2:The food that my father cooks ____________ good.
小题3:We should _________ the house as soon as possible, or it’ll be quite dangerous.
小题4:The population in that country _______________ slowly now.
小题5:Wild and Wind is a rock band which as the name suggests is full of _____________.
男，56岁，胸痛2月余，最近感右臂疼痛、活动受限，胸片如图，最可能的诊断是()
A．右肺癌
B．右上肺不张
C．右肺上沟瘤
D．右侧胸膜肥厚
E．右肺结核
