A:flexible
B:convenient
C:specific
D:considerate
“它是新中国在国际舞台上开展活动,冲破美国的孤立和遏制政策,扩大对外交往的有力武器。经过半个多世纪的实践检验,它不仅成为我国对外政策的基石,也逐渐被国际社会普遍接受”。这段材料评述的是( )
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.
图甲是一种电热手袋,其结构示意图如图乙所示。正常情况下,专用插头插入电源时,插头上的红色指示灯L会亮,发热体R给袋内的水加热。由图乙可知,红色指示灯L和发热体R之间的连接方式是____ 。电流通过发热体R会使其温度升高,这种现象叫做电流的____ 效应。电流是通过____ 的方式使发热体R的内能增加,电热手袋是通过____ 的方式使手的内能增加。