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【单选题】
确诊下肢静脉疾病最可靠的检查是A.
深静脉回流试验
B.
多普勒超声检查
C.
下肢静脉压测定
D.
下肢静脉造影
E.
交通支瓣膜功能试验
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举一反三
【单选题】Some of them join together ______ for gold medals.
A.
compete
B.
to compete
C.
competed
D.
competes
【简答题】Successful athletes today are able to earn enormous salaries and many of them choose to share the wealth they have by donating to charities. Perhaps the generosity displayed by these athletes will ins...
【简答题】什么是Feedback?
【简答题】七、课文填空 (15%) : 1. Some of the sports from the ancient Olympics are still seen today, such as the long jump, 1 and running. At the ancient Olympics, 2 3 the athletes were all men and they had to compet...
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