题目

_____, I have to put it away and focus my attention on study this week.   A.However that story is amusing              B. No matter amusing the story is   C. However amusing the story is             D. No matter how the story is amusing   答案：C9．下列说法中不正确的是（　　）A．人体中的微量元素是正常生命活动所必需的B．硝酸钾、蛋白质都属于复合肥料C．淀粉、蛋白质都属于高分子化合物D．洗涤剂去除油污靠的是乳化作用