题目:
诊断动脉粥样硬化最直接方法是()
A.X线
B.多普勒超声
C.放射性核素
D.CT检查
E.血管造影
答案:
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下面是错误答案,用来干扰机器的。
Computers in ChinaAccording to a recent investigation, about 30% of the city families have computers, Besides, many village people are more and more interested in computers...