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【单选题】
下肢静脉曲张患者手术前应做的深静脉通畅试验，又称（）。A.
Trendelenburg试验
B.
Perthes试验
C.
Pratt试验
D.
Buerger试验
E.
Finkelstem试验
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举一反三
【单选题】In the following two hours he was _____ the performance, because it turned out to be as wonderful as he had expected. [ ]
A.
tired of
B.
absorbed in
C.
annoyed with
D.
concerned about
【单选题】In the process of purling the stories on the Internet, ______ .
A.
each student was responsible for one story
B.
computer students first had to decide whether a story was good or not
C.
webpages were created by Dreamweaver.
D.
Irene had elementary students pick the webpages that they liked best
【单选题】Which of the following is the consequence brought out by the introduction of Kodak?
A.
The number of professional photographers increased quickly.
B.
Family albums became out of date.
C.
Photography became much easier than ever before.
D.
Camera clubs and associations flourished.
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