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A  Talk to the hand: Spreading the fingers of your hand with the palm facing outwards and then pushing this into someone’s face is known as ‘talk to the hand’ in the US. It means “I’m not listening” or “shut up” but sometimes people think it is pretty childish if you do too much of it. B  Thumbs up: In western culture, “thumbs up” means that everything is OK or a sign of “Yes”. However, in other parts of the world, it has different meanings. In countries such as Japan and Germany, it simply means the number one. However, in the Middle East, parts of Europe, Russia and Latin America it is rude. C  OK: Touching your thumb and index finger to form a circle is known in the US and the UK as the “OK” but not everywhere. In many places, like Brazil, Greece and Spain, it is rude with different meanings. In France, it is like “zero” and means “you are nothing”. But in Japan, it means money. |
1．If you want to show your politeness in Brazil, you’d better not use the sign language
2．If you want to tell an American that you agree with him/her, you can use the sign language
3．If you don’t want to talk with somebody anymore, you can use the sign language
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
