Question

It is ________ to say“thank you” very often, even to family members.

A.polite
B.rude
C.dangerous
D.humorous

Answer 1

【答案】：A
句意：经常说“谢谢”是礼貌的表现，即使是对家人。
考查形容词辨析。polite礼貌的；rude粗鲁的；dangerous危险的；humorous幽默的。根据“thank you”可知，说“谢谢”是礼貌的，故选A。