皮皮学，免费搜题
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【单选题】
关于肾动脉的说法正确的是A.
在肾静脉的后方行向肾
B.
除分布于肾外，无分支
C.
在肾盂的后方行向肾
D.
是腹主动脉中惟一成对的动脉
E.
右肾动脉较左肾动脉短
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知识点：
皮皮学刷刷变学霸
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【简答题】国际标准化的计算机网络属于第三代计算机网络,它具有统一的___,遵循国际标准化协议。
【简答题】I ____ the working experience from the company for the following reasons:
【单选题】免责条款的效力不包括以下哪项( )。
A.
必须是双方当事人真实的意思表示
B.
必须经双方当事人协商同意
C.
不必符合社会公共利益要求
D.
必须合理分配双方当事人之间的权益与风险
【单选题】Although he has failed many times, he keeps _____ hard to make his dream come true.
A.
working
B.
to work
C.
worked
【单选题】Which of the following conclusion about the Grand Canyon can be drawn from the passage?
A.
Its contours are constantly changing.
B.
It contains approximately 14 million tons of rock.
C.
Its eruptions have increased in recent years.
D.
It is being eroded by toxic waste and pollutants.