下列实例中，通过热传递的方式使物体内能改变的是（ ）
A：向饮料中加冰块，饮料温度降低
B：行驶中的汽车轮胎会发热
C：古代，人类利用钻木取火
D：水沸腾时水蒸气把壶盖顶起
Situations
Differences
Britons (英国人)
Americans
When being knocked into
They will say “sorry” before the other does.
They will ____ the person and expect him to say “sorry”.
When going out for dinner
They will ____ when going out for dinner.
They may wear a normal shirt to go to a good____.
When taking a taxi
They will give an address to the taxi driver and then ____.
They will ____ the taxi driver all the time.
设实数a≥1，使得不等式x|x﹣a|+32≥a，对任意的实数x∈1，2恒成立，则满足条件的实数a的范围是____
