问题
多项选择题
关于Allen’s试验的叙述，正确的是（）
A.应该进行，因为仅有80%的患者有完全的尺动脉弓
B.在动脉穿刺前无需进行该试验
C.如果血运良好，结果为阳性
D.应在腕部外伸的状态下进行
E.应该按照手部的颜色和恢复时间评价结果
答案
参考答案：A, C, E
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关于Allen’s试验的叙述，正确的是（）
A.应该进行，因为仅有80%的患者有完全的尺动脉弓
B.在动脉穿刺前无需进行该试验
C.如果血运良好，结果为阳性
D.应在腕部外伸的状态下进行
E.应该按照手部的颜色和恢复时间评价结果
参考答案：A, C, E
Once, the famous scientist Einstein travelled to many places in America to give lectures. He travelled in a __26__, and soon made friends with his driver. Each time Einstein gave the lecture, his driver __27__ sat in the front row and listened to him very carefully. The __28__ lecture was given so many times that the driver learned it well enough to give it himself. One day, when Einstein was __29__ about it, he asked the driver to give the lecture for him in a small town. That evening, both Einstein and the driver went into the lecture room. __30__ there had seen Einstein before. When the driver took his place, everybody applauded (鼓掌). Then he began the lecture. __31__ it was over, the people warmly applauded. The driver turned to look at Einstein. Einstein nodded with a smile on his face. When they began to leave the lecture room, a man __32 __ them and asked the driver a very __33__ question. The c river listened carefully, then he __34__ and said the question was interesting but really quite easy. To show how easy it is. I'll ask my __35__ to answer it," said the driver.
小题4:A. spoken B. told C. said D shouted
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