皮皮学，免费搜题
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搜题
【多选题】
全胃肠外营养的主要途径不包括A.
贵要静脉
B.
大隐静脉
C.
外静脉
D.
中心静脉
E.
颈静脉
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】When I passed the entrance examination, my family _______ me ____ my success.
A.
celebrated; on
B.
congratulated; on
C.
celebrated; to
D.
congratulated; to
【简答题】A.It had more than a hundred printing presses. B.It was the biggest printer in the 16th century. C.It helped the German people become literate. D.It produced some 20 million volumes in total.
【单选题】Ｉstill remember the day when I said goodbye to my family, ________on the plane and started my journey to London.
A.
to step
B.
stepping
C.
stepped
D.
having stepped
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