so easy1．imagine you have a foreign friend,when talking with

so easy
1．imagine you have a foreign friend,when talking with him or her ,what manners should be noticed?
2.If you have a dinner with a foreigner,what should be noticed?
每个问题不少于三点.

It all depends.
For the first question, I think you should think about the distance you keep while talking. In some foreign countries, people think its polite to keep half -a-meter long distance. However, in some other countries people likes to pat each other's shoulder and use some body language. Also, you may avoid some sensitive questions. You better not ask about age, job or income, sometimes people may just get annoyed. You may give a though about liking directly in people's eyes, too. Sometimes if you look a foreigner directly in the eye for too long, they may feel offended or can't help feeling nervous.
For the second question, I think you may search the manners at table in the place the foreigner comes from. Please be careful with table manners and do not pick the dish the foreigner sertainly will not eat or might get annoyed. Also, don't talk too much while chewing, don't open your moush too wide. If you can, try not to make too much noise with the knife and fork. Try to introduce the dishes to the foreigner and be a gentleman.