题干
听短文，完成下面的表格。
Giving gifts in different countries | |
In America | ____ gifts won't do. |
In Japan | People spend ____time choosing gifts. |
In Greece | ★ You ____avoid (避免) ties and shirts. ★ If you go to a Greek home, flowers or a____ will be OK. |
In Germany | ★ Gifts reflecting (反映) one's hometown are always ____ . ★ Guests may give small gifts to the children of the family. |
答案(点此获取答案解析）
expensive,more,must,cake,welcome
cm/s的速度运动，分别连结AF，CE．设点F运动时间为t（s），其中t＞0． 
