【单选题】Her father in the USA for another year,so that she could work toward her master’s degree. [ ]
D.
approved of her staying
【判断题】删除二叉查找树中的某个元素,然后再将该元素重新插入,可能得到原来的二叉查找树。
【单选题】下列 推 理中错误的是
A.
如果 x是有理数,则它为整数。1/2是有理数。所以1/2是整数。
B.
若周末气温超过 30度,小红就去游泳。小红周末没去游泳。所以周末气温没超过30度。
C.
下午小明或者去看电影,或者去打篮球。下午小明没去打篮球。因此下午小明去看电影了。
D.
若a能被4整除,则a能被2整除。a能被2整除。因此a能被4整除。
【简答题】Fill in the following blanks with the expressions given below. Change the forms where necessary. 1) They are just ________ exceptionally handsome boys some very ordinary music. 2) His parents h...
【单选题】在 Java 中 , 用 package 语句说明一个包时 , 该包的层次结构必须是 ( )
【单选题】下列不属于文艺复兴时期“美术三杰”的是( )。
【单选题】What do we know about the colleges of the university from the passage?
A.
They are self-governing.
B.
They don't have the right to choose their own students.
C.
They hold their own examinations.
D.
They award their own degrees.
【单选题】下列人物中不属于文艺复兴“美术三杰”的是( )。