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【单选题】
有关静脉瓣的描述正确的是A.
多位于口径在2mm以上的静脉壁上
B.
是由内膜突向腔内折叠而成
C.
可以防止血液逆流
D.
大静脉辩的结缔组织内常有平滑肌纤维
E.
以上均是
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举一反三
【单选题】According to the text, what surprises the writer is that commercial banks fail to
A.
see its role in a modern economy.
B.
perceive the danger involved.
C.
appreciate their hard earned profits.
D.
realize the value of customers.
【简答题】在主动脉弓的凸侧壁上从右往左依次向上发出 、 和 三大分支。
【简答题】主动脉弓上发出三大分支,从左往右依次是 、 和 。
【单选题】从主动脉弓的凸侧发出三根上行较大的动脉，所谓'三根毛'，自右向左分别是
A.
左锁骨下动脉、左颈总动脉和头臂干
B.
右颈总动脉、左颈总动脉和左锁骨下动脉
C.
右锁骨下动脉、右颈总动脉和左颈总动脉
D.
右颈总动脉、右锁骨下动脉和左锁骨下动脉
E.
头臂干、左颈总动脉和左锁骨下动脉
【简答题】阅读理解。 As financial cr today claimed more victims this week on Wall Street, the rest of the world's markets and banks have been in disorder. In Britain, 45,000 banking jobs are now in er. Anoth...
【简答题】请阅读课文第1段,从中找出以下汉语的英语表达。 1. 走出衰退/不景气 2.常识 3. 信用卡 4.利率 5.互相矛盾Do you feel as confused and manipulated as I do with this question, "Should I spend or should I save?" I think that the messages we g...
【简答题】主动脉弓上发出三大分支,从右往左依次是 、 和 。
【单选题】"The use of substitute notes presents another opportunity, or danger, that has been repeatedly exploited by governments and banks: to issue notes for which there is only partial commodity backing or n...
A.
retreat
B.
support
C.
behind
D.
bet
【简答题】主动脉弓上发出三大分支，从右往左依次是( )、( )、( )。
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