水和食物中的有害物质主要是通过（）吸收。 ["呼吸道","消化道","皮肤","肌肉"]
要减少企业的多元化和战略性地发展核心业务，则企业退出的方式为（）． ["修剪","范围收缩","规模收缩","市场缩"]
简述意外伤害保险的含义。
Which two statements about subqueries are true? （） [" A single row subquery can retrieve data from only one table."," A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause."," A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause."," A single row subquery can retrieve data from more than one table."," A single row subquery cannot be used in a condition where the LIKE operator is used for comparison."," A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time."]
请写出插花作品的六种常见造型。
信任是人格发展中（）的普遍现象。
