Many people don't understand how much water the human body nees and many people don't drink enoughwater.这句的句子结构是不是：many people主语,don't understand 谓语,how much water the human body nees 同位语还是宾语（怎样判断）,and many people don't drink enough water.并列句（many people 主语,don't drink 谓语,enough water宾语）,
问题描述：
Many people don't understand how much water the human body nees and many people don't drink enough
water.这句的句子结构是不是：many people主语,don't understand 谓语,how much water the human body nees 同位语还是宾语（怎样判断）,and many people don't drink enough water.并列句（many people 主语,don't drink 谓语,enough water宾语）,
答
how much water the human body nees 同位语还是宾语（怎样判断）,：宾语,同位语的话,什么的同位语呢?
and many people don't drink enough water.并列句（many people 主语,don't drink 谓语,enough water宾语）,：是