初中英語詞語辨析：
be pleased with/ at/ to
Ⅰ. be pleased with 對人/物，感到滿意介詞with後接人或物。 如：
① Both Mark and her mother were pleased with the girl.
馬克和他媽媽都有喜歡這個女孩。
② I wasnt very pleased with / at my exam results.
我對自己的考試成績不太滿意。
Ⅱ. be pleased at 對某事/物，感到滿意。介詞at 常與事物搭配使用。
He was very pleased at the news.
他對這個消息感到很滿意。
Ⅲ. be pleased to 樂意； 因而高興。to 不是介詞，而是小品詞。後接動詞原形。如：
① I shall be pleased to go. 我將樂意去。
② We are quite pleased to be working in this country.
能在這個國家工作，我們是十分高興的。
be used for/ be used as/ be used by
Ⅰ. be used for （被）用來做，強調用途或作用。
Ⅱ. be used as （被）作爲而用，強調被當作工具或手段來用。
Ⅲ. be used by 被使用，by後跟人物，強調使用者。如：
① Keys are used for opening locks. 鑰匙是用來開鎖的。
② Swim can be used as a noun. Swim可作名詞用。
