题目

You are ________ to shake hands when you meet someone for the first time.A. suggested B. supportedC. taught D. supposed 答案：【答案】D【解析】句意：当你第一次遇见别人时你应该握手。A项为“建议”；B项为“支持”；C项为“教”；D项为“认为、假定”。本题考查固定短语be supposed to do sth，意为“应该做某事”，相当于should do sth。根据语境及短语要求，故选D。（2005•江西）已知a＜2，则=    ．