第1个回答 2009-09-18
1.interner can bring different people together as old friends.everyone has the right to speak aloud while no one knows who he is.so the imformation you get on the internet can be quite opposite from the reality.meanwhile there are more and more criminals tries to crime through the internet.
2.the wounds may be infected if you don't keep it in a clean environment.and it's a common sense to stop bleeding when you've got injured.in addition, press it can avoid the poisonous ingredients spreading especially be bitten by a snake.
3.i think it is used to cool down the wounds and avoid the burning feelings.(i'm not sure yet @_@)
4.the spine of the olds can be really weak as a result of losing calcium .so grandma may have hurt herself and just can't recover in a while.
打的好辛苦。才看见说是简单回答,尽力了,也有参考前一位回答者的答案,希望提问者满意吧。本回答被提问者采纳
第2个回答 2009-09-18
1. coz sometimes it is not safe, i've heard of many sad story about girls went out to meet guy from internet and end up with some kinds of hurt...so i would never do that..
2.it is a common sense to stop bleeding when u've got injoured. and you've got to use clean clothes to avoid infection.
3. cold clean water can cool down the burned area and clean the injure
4. maybe it's because grandma hurt her spine which control movement of the whole body
第3个回答 2009-09-19
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