题目

In Western countries, you should be careful about the giving of gifts. Never give a gift in a job interview or at a business meeting. Gifts are usually given during special holidays, or as a “thank you” for special invitations or events. When arriving at a special party, you may give your gift to the host once the introductions are made. Here are a few rules.Be modest with your gift. Don't buy gifts that are too expensive.A special food from your country, a bottle of wine, candy, or flowers are the best if you do not know the host very well, but be sure that your gift will not need much ca5÷a=b，a和b一定互为倒数（a≠6）．______．（判断对错）