题目

Building a Lasting Social RelationshipWe all know that friends are special people who we share our lives with, and who share their lives with us in return. 【1】According to research recently published in the Journal of Social and Personal Relationships, the key is to use “we-talk”.Led by University of California psychologist Megan Robins and her colleagues, the researchers reviewed and analyzed 30 different studies involving over 5,000 participants. 【2】The word “we” moves people from an individual position into a partnership, which makes us more interdependent. “【3】 Word u乙醇、甘油、苯酚及醛类物质是重要的有机物。下列有关说法正确的是（ ）A.可用溴水检验CH2=CH－CHO中是否含有碳碳双键B.乙醇、甘油和苯酚都能与Na反应产生H2C.常温下都是无色液体，易溶于水D.对甲基苯甲醛）能使酸性高锰酸钾溶液褪色，说明它含有醛基