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【单选题】
下列关于政府债券特征的说法中,正确的有( ) I.政府债券是国家信用的体现,安全性高 II.政府债券竞购能力强,市场属性好,一般仅在证券交易所上市交易 III.政府在全收益比较稳定 IV.可以享受免税待遇A.
I、II、III、
B.
I、II、IV
C.
II、III、IV
D.
I、III、IV
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举一反三
【单选题】离别是这样甜蜜又悲伤,我要对你说再见一直说到大天亮。
A.
Parting is so sweet sorrow that I shall say good night till it be morrow.
B.
Parting is such sweet sorrow that I shall say good night till it be morrow.
C.
Parting is such sweet sorrow that I shall say good night till it will be morrow.
D.
Parting is so sweet sorrow that I should say good night till it be morrow.
【单选题】All of following descriptions are true of the wall of large artery EXCEPT( )
A.
The tunica adventitia is thick and the outer elastic membrane is obvious.
B.
Subendothelial layer contains smooth muscle cells
C.
Tunica media contains a large number of elastic membranes and a small amount of smooth muscle
D.
Boundary between tunica intima and tunica media
E.
There are vasa vasorum in tunica adventitia
【单选题】tunica media of large artery cmposed by:
A.
collagen fibers
B.
elastic fibers
C.
reticular fibers
D.
collagen fibril
E.
collagen fiber bundles
【简答题】Describe the structures of large artery and medium-sized artery.
【单选题】the most differece between large-artery and medial-sized artery is:
A.
the thick of tunica intima
B.
the consist of tunica media
C.
the thick of tunica adventitia
D.
have internal elastic membrane or not
E.
have external elastic membrane or not
【简答题】已知直线l 1 ：x+2y+1=0，l 2 ：-2x+y+2=0，它们相交于点A． （1）判断直线l 1 和l 2 是否垂直？； （2）求过点A且与直线l 3 ：3x+y+4=0平行的直线方程．
【简答题】There is a large amount of energy wasted due to friction. 英译汉
【单选题】the most different between large-artery and medial-sized artery is:
A.
the thickk of tunica intina
B.
the consist of tunica media
C.
the thick of tunica adventitia
D.
have internal elastic membrane or not
E.
have external elastic membrane or not
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