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【单选题】
关于腹主动脉的描述,错误的是A.
在第12胸椎下缘穿膈主动脉裂孔
B.
在第4腰椎下缘水平分为左、右髂总动脉
C.
下端在腹前壁的体表投影为两侧髂峰最高点连线的中点
D.
在第2腰椎水平发出肠系膜下动脉
E.
在膈主动脉裂孔处发出膈下动脉
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【单选题】We can come to the ______ that the more we practice，the more skillful we will be.
A.
tradition
B.
generation
C.
conclusion
D.
fact
【单选题】We know from the last paragraph that______.
A.
people in the north are more obsessed with tidiness
B.
where there are less human beings, there are more birds
C.
cultural difference is not clear from south to north in England
D.
people in the south enjoy decorating their gardens with green plants
【简答题】The more books we read, the more learned we become.
【简答题】阅读理解。 However important school life may be, we can't ignore the fact that children spend more time at home than in the classroom. Therefore the great influence of parents can't be ignored or discounte...
【单选题】When we encounter more difficulties, we should be more spirited, and we should be more courageous______.
A.
the more danger we are in
B.
the more in danger we are
C.
we are in more danger
D.
we are in danger more
【简答题】If we contribute more to the world, we will be more rewarded with ______.
【单选题】已知A={x|x＜3}，B={x|-1＜x＜5}，则A∪B等于（ ）
A.
{x|x＜5}
B.
{x|x≤-1或x≥3}
C.
{x|x＜-1或x≥3}
D.
{x|x≤5}
【简答题】阅读理解。 However important school life may be, we can't ignore the fact that children spend more time at home than in the classroom. Therefore the great influence of parents can't be ignored or discounte...
【简答题】Why is ti that the __________ (connect) we get, the more disconnected I feel.
【简答题】已知： 3 x 2 +3x -( x 2 +3x)=2 ，x 2 +3x为（ ） A．1 B．-3和1 C．3 D．-1或3
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