【单选题】以 =-1的焦点为顶点,顶点为焦点的椭圆方程为( )
【单选题】在三视图中,主视图反映物体的左、右和( )
【简答题】These are math books.(改为否定句) These_________ _________math books.
【单选题】“动极者镇之以静,阴亢者胜之以阳”说明阴阳的
【单选题】“动极者镇之以静,阴亢者胜之以阳”说明阴阳的
【单选题】Are those ______books on the ______desk? [ ]
【单选题】'Math anxiety' courses are designed to help you______.
B.
to realize the importance of math
C.
to overcome your fear of math