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【单选题】
下面关于横断面上“经济点”的叙述不正确的是( )。A.
当地面横坡不大时，填挖方基本平衡的标高控制点；
B.
当地面横坡较陡时，路基多挖的标高控制点；
C.
当地面横坡很陡时，路基全挖或深挖的标高控制点；
D.
纵断面上沿线各种标高控制点的统称
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Some educators are critical of the program because______.
A.
they don't think it fit for children in every respect
B.
it takes the children too much time to watch it
C.
it causes problems between children who have watched it and those who have not
D.
some parents attach too much importance to it
【单选题】Some educators try to put students of similar abilities into the same class because they believe this kind of ______ grouping is advisable.
A.
homogenous
B.
instantaneous
C.
spontaneous
D.
anonymous
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