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【简答题】
如图,在平面直角坐标系中,四边形 为矩形, , , 为直线 上一动点,将直线 绕点 逆时针方向旋转 交直线 于点 ; (1)当点 在线段 上运动(不与 重合)时,求证:OA·BQ=AP·BP; (2)在(1)成立的条件下,设点 的横坐标为 ,线段 的长度为 ,求出 关于 的函数解析式,并判断 是否存在最小值,若存在,请求出最小值;若不存在,请说明理由。 (3)直线 上是否存在点 ,使 为等腰三角形,若存在,请求出点 的坐标;若不存在,请说明理由。
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【单选题】Mr. li is a nice teacher, but I don’t like the way—— he treats his own child.
A.
Which
B.
that
C.
where
D.
what
【单选题】Mr. Li is a nice teacher, but I don't like the way_____he treats his own child.
A.
which
B.
that
C.
where
D.
What
【简答题】The man who, legend has it, escaped from an early grave when his uncle pulled himfrom drowning in a dirty pond is notorious for his dirty deeds but what cannotbe forgotten are his achievements in the ...
【简答题】完形填空。 It's a nice day. Li Ming and his friend, Jianjian, go 1 . Li Ming wants to buy a T-shirt, 2 Jianjian wants 3 running shoes (跑鞋). At first (首先), they go to a 4 section. Li Ming 5 a T-shirt, and i...
【判断题】非挤土桩由于桩径较大,故其桩侧摩阻力常常较挤土桩大。()
A.
正确
B.
错误
【判断题】《王西厢》中莺莺和红娘完全被郑恒的谎言蒙蔽,得知张生变心异常痛苦。()
A.
正确
B.
错误
【单选题】--Nice to meet you, Li Lei. -- ___________
A.
How do you do, Yukio?
B.
See you, Ann.
C.
Nice to meet you, too.
D.
Good afternoon.
【简答题】非挤土桩由于桩径较大,故其桩侧摩阻力常较挤土桩大。
【判断题】The man of the legend, Newton, was the first one who found the reason why apples fall down.
A.
正确
B.
错误
【单选题】A: Li Lei, _____ is my brother. _____ are his books. B: Nice to meet you, Li Lei. [     ]
A.
this, These
B.
That, this
C.
Those, these
D.
Those, that
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