初中英语词语辨析：
be pleased with/ at/ to
Ⅰ. be pleased with 对人/物，感到满意介词with后接人或物。 如：
① Both Mark and her mother were pleased with the girl.
马克和他妈妈都有喜欢这个女孩。
② I wasnt very pleased with / at my exam results.
我对自己的考试成绩不太满意。
Ⅱ. be pleased at 对某事/物，感到满意。介词at 常与事物搭配使用。
He was very pleased at the news.
他对这个消息感到很满意。
Ⅲ. be pleased to 乐意； 因而高兴。to 不是介词，而是小品词。后接动词原形。如：
① I shall be pleased to go. 我将乐意去。
② We are quite pleased to be working in this country.
能在这个国家工作，我们是十分高兴的。
be used for/ be used as/ be used by
Ⅰ. be used for （被）用来做，强调用途或作用。
Ⅱ. be used as （被）作为而用，强调被当作工具或手段来用。
Ⅲ. be used by 被使用，by后跟人物，强调用户。如：
① Keys are used for opening locks. 钥匙是用来开锁的。
② Swim can be used as a noun. Swim可作名词用。
