鞭毛是细菌的运动器官。
参考答案:UNKNOWN
—Look! There is a big river. Let's swim in it!
—No, I think it's _______ dangerous. [ ]
A. much too
B. too much
C. too many
D. much more
下列有关西欧封建社会的表述,错误的是
A.封建主与附庸之间的关系以血缘为纽带
B.罗马教廷有至高无上的权力
C.教皇和教会是西欧最大的土地所有者
D.在精神和文化领域,神权凌驾一切