The Dress That Turns into a Coca Cola Machine 

    This specially designed dress looks like a normal dress，but if you unfold it and cover yourself，you may look like a Coca Cola vending machine（自动售货机）. Because there are many vending machines like that on the street，it must be easy for you to hide．If you feel that someone is following you or there is some danger，you can disappear within five seconds．But don't use it to scare your classmates．That'll be rude.
                                  

    The M-Dress is a nice black dress．It is also a mobile phone．It accepts a standard SIM card and allows the wearer to receive calls without carrying an actual(真实的) phone in their pocket or purse．You just need to bring your hand to your ear when you want to answer a phone call．When you finish talking and release your hand，the call will close．It is fashionable and useful．But it will certainly be an embarrassing moment when your dress rings in public．
  Air Conditioned Jackets 

    You will love these air-cooled jackets in summer time when it is very hot outdoors．The jacket has fans that draw air in．The fan is powered by an inside battery．Now it is possible to spend nearly every second of your day with cool air．

在下面一段话的空缺处依次填入词语，最恰当的一组是（    ）

①从9月30日至10月3日，一般让人始料未及的楼市限购风潮，在全国各大城市间________，9个城市先后发布楼市调控新政策，多地重启限购限贷。

②他因为家里开着棋社，从小就________，对下棋颇有心得。

③家具市场产品________的现象早已屡见不鲜，网购平台上售卖仿冒名品家具的卖家也越来越多，有关部门有必要展开一轮彻查严打的行动了。

如图所示，劲度系数k=25N/m轻质弹簧的一端与竖直板P栓接（竖直板P固定在木板B的左端），另一端与质量m_A=1kg的小物体A相连，P和B的总质量为M_B=4kg且B足够长．A静止在木板B上，A右端连与细线绕过光滑的定滑轮与质量m=1kg的物体C相连，木板B的上表面光滑，下表面与地面的动摩擦因数μ=0.4．开始时用手托住C，让细线恰好伸直但没拉力，然后由静止释放C，直到B开始运动．已知弹簧伸长量为x时其弹性势能为 $\frac{1}{2}$ kx²，全过程物体C没有触地，弹簧在弹性限度内，g取10m/s²．求：

现设n=4，分别以a₁，a₂，a₃，a₄表示第一次排序时被排为1，2，3，4的四种酒在第二次排序时的序号，并令X=|1﹣a₁|+|2﹣a₂|+|3﹣a₃|+|4﹣a₄|，

则X是对两次排序的偏离程度的一种描述．

（Ⅰ）写出X的可能值集合；

（Ⅱ）假设a₁，a₂，a₃，a₄等可能地为1，2，3，4的各种排列，求X的分布列；

（Ⅲ）某品酒师在相继进行的三轮测试中，都有X≤2，

①试按（Ⅱ）中的结果，计算出现这种现象的概率（假定各轮测试相互独立）；②你认为该品酒师的酒味鉴别功能如何？说明理由．