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【简答题】
在萃取精馏中所选的萃取剂使 A1P 值越大,溶剂的选择性( )
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反馈参考答案：
举一反三
【简答题】It is said that an industrial robot _________ many attributes in common with a numerical control machine tool.
【多选题】.关于平面控制测量,说法正确的有():
A.
平面控制测量可有效控制测量误差的积素
B.
导线测量可用于一二等平面控制测量
C.
GPS控制测量受地形条件限制较小
D.
三角形网测量,检核条件较多,可用于较高等级控制测量
E.
导线测量,受地形条件影响小,是城镇平面控制测量的首选
【简答题】It is said that an ancient Chinese ruler called Shen Nong was the first (discover发现) tea as a drink.
【单选题】--- It is said that an old couple are traveling around China by bike. ---Oh, ____long way on their bicycles! They are so great.
A.
What a
B.
How
C.
How a
D.
What
【单选题】It is said that an American starts a speech with a joke, _______ a Japanese seldom .
A.
as
B.
B when
C.
C though
D.
D while
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