In fig. 1, let 
be an equilateral triangle, D and E be points on edges AB and AC respectively, F be intersection of segments BE and CD, and 
, then the magnitude relati
on between Ad and CE is （ ）
A. 
B. 
C. 
D. indefinite
（英漢詞典：equilateral等邊的；intersection交點；magnitude大小，量；indefinite不確定的）
寒假創新型自主學習第三學期寒假銜接系列答案科目：初中數學 來源： 題型：
16、In Fig．，In the Rt△ABC，∠ACB=90°，∠A=30°，CD is the bisector to∠ACB，MD is the perpendicular to BA and MD through the midpoint of segment AB，then∠CDM=查看答案和解析>>
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Suppose that in Fig.2，the length of side of square ABCD is 1，E and F are mid-points of CD and AD respectively，GE and CF intersect at a point P．Then the length of line segment CP is查看答案和解析>>
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In fig 1，ABCD is a quadrilsteral，E is a point the diagonal BD，EF∥AD，EM∥BC，then the value of | EF |
| DA |
| EM |
| BC |
| EF |
| DA |
| EM |
| BC |
| A、greater than 1（大于1） |
| B、equal to 1（等于1） |
| C、less than 1（小于1） |
| D、variable depending on the position of E（不能確定，與E的位置有關） |
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In Fig.2,In the Rt△ABC，∠ACB=900，∠A=300，CD is the bisector to
∠ACB，MD is the perpendicular to BA and MD through the midpoint of segme
nt AB，thrn ∠CDM= .(英語小詞典：bisector：平分線；perpendicular：垂線；midpoint：中點)
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Suppose that in Fig.2，the length of side of square ABCD is 1，E and F are mid－points of CD and AD respectively ，BE and CF intersect at a point P．Then the length of line segment CP is __________．
（英漢詞典：figure（縮寫Fig.）圖；length 長度；square 正方形；mid－point中點；intersect 相交；line segment 線段）
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