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【单选题】
整形外科临床上作血管修复，请指出以下哪种说法是错误的A.
自体静脉移植代替动脉，只适用于四肢较小的动脉
B.
同种异体血管经低温冷冻干燥，特别是1％～2％戊二醛处理后，基本上可以去除抗原性
C.
经处理的人类脐带静脉是中小动脉修复的良好材料
D.
人造血管中效果最好的是尼龙制造的
E.
有用中国制造的真丝人造血管
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【单选题】Which of the following is NOT a true description of the Queen’s role?
A.
The Queen selects the Prime Minister and the Cabinet.
B.
The Queen symbolizes the tradition and unity of the British state.
C.
The Queen acts as a confidante to the Prime Minister.
D.
The Queen is the temporal head of the Church of England.
【简答题】阅读理解 The Queen's English is now sounding less upper-class, a scientific study of the Queen's Christmas broadcasts had found.Researchers have studied each of her messages to the Commonwealth countries ...
【单选题】Which of the following is NOT a true description of the Queen's role?
A.
The Queen symbolizes the tradition and unity of the British State.
B.
The Queen selects the Prime Ministers and the Cabinet.
C.
The Queen acts as a confidante to the Prime Minister.
D.
The Queen is the head of the Church of England.
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