题目

The relationship between parents and children has always been a hot topic. Many students may feel   61   (stress) because of their parents. Most parents have good intentions,   62   some of them aren’t very helpful with the problems their sons and daughters have in   63   (adjust) to college, and a few of them seem to go out of their way to add to their children’s   64   (difficulty).     For one thing, parents are often not aware of the kinds of problems their children face. They don’t realize that the   65   (compete) is stronger, that the required stand下列有关日常生活的说法正确的是A．沼气主要成分是H2 B．焚烧法消除塑料用品造成的白色污染C．蛋白质是人体所需的六大营养素之一D．棉花、涤纶都属于天然有机高分子材料