【单选题】若点P(a,b)关于y轴的对称点在第四象限,则点P到x轴的距离是 [ ]
【判断题】Should the names of the books be underlined in handwritten type or italicized in printing?
【判断题】只要输入有界,则输出一定有界的系统称为稳定系统
【单选题】若点P关于x轴对称的点是它本身,则点P( )
【单选题】When the sisters write books, they use strange names instead of their own names, why?
A.
their own names are not good
B.
men writers will be better accepted.
C.
people prefer strange names
D.
strange names are unique
【简答题】The team was made up of three teachers and forty students.(同义句解释) The team ________ __________ three teachers and forty students.
【简答题】Names of books should be in ______.