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已知：矩形ABCD中，M为BC边上一点， AB=BM=10，MC=14，如图1，正方形EFGH的顶点E和点B重合，点F、G、H分别在边AB、AM、BC上.如图2，P为对角线AC上一动点，正方形EFGH从图1的位置出发，以每秒1个单位的速度沿BC向点C匀速移动；同时，点P从C点出发，以每秒1个单位的速度沿CA向点A匀速移动.当点F到达线段AC上时，正方形EFGH和点P同时停止运动.设运动时间为t秒，解答下列问题： （1）在整个运动过程中，当点F落在线段AM上和点G落在线段AC上时，分别求出对应t的值； （2）在整个运动过程中，设正方形 与 重叠部分面积为S,请直接写出S与t之间的函数关系式以及自变量t的取值范围； （3）在整个运动过程中，是否存在点P,使 是以DG为腰的等腰三角形？若存在，求出t的值；若不存在，说明理由.
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举一反三
【单选题】Overt brand names:
A.
reveal what the brand does.
B.
capture the essence of the idea behind the brand.
C.
contain recognizable words or word parts that imply what the brand is about.
D.
do not reflect the brand's goods or services, but instead something that is unique, different, and memorable.
【单选题】Iconoclastic brand names:
A.
reveal what the brand does.
B.
capture the essence of the idea behind the brand.
C.
contain recognizable words or word parts that imply what the brand is about.
D.
do not reflect the brand's goods or services, but instead something that is unique, different, and memorable.
【单选题】Trademarks arc protected by law while brand names are not.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Which of the following statements is TRUE?
A.
People prefer strange brand names to ordinary ones.
B.
Customers are interested in emotional brand names.
C.
Brand names advertised in pictures are easy to make.
D.
A brand name has little to do with a company's profits.
【单选题】Conceptual brand names:
A.
capture the essence of the idea behind the brand.
B.
contain recognizable words or word parts that imply what the brand is about.
C.
do not reflect the brand's goods or services, but instead something that is unique, different, and memorable.
D.
reveal what the brand does.
【单选题】Implied brand names:
A.
reveal what the brand does.
B.
capture the essence of the idea behind the brand.
C.
contain recognizable words or word parts that imply what the brand is about.
D.
do not reflect the brand, but instead something that is unique, different, and memorable.
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