水波纹，又称“（）”，“海水纹”。水，滋养万物，造福万物，因此，水波纹被世人赋予了厚德载物，海纳百川的寓意。

A. He finds it easier to perform his teaching tasks.
B. He can share more study material with the students.
C. He can know how well the students have learned in real time.
D. He is able to save more time for his research work.

A. Professors were more attracted by the new interactive textbooks.
B. Most students who tried out the new digital textbooks were satisfied with them.
C. New digital technology was widely used by professors in their teaching.
D. Traditional textbooks may be replaced by digital ones at university.

A. 如黄豆大小
B. 能分泌粘液润滑阴道口
C. 一般检查不能触及
D. 属于女性的性腺
E. 腺管开口于小阴唇与处女膜之间的沟内

A. 圆韧带
B. 阔韧带
C. 卵巢固有韧带
D. 主韧带
E. 子宫骶骨韧带