【单选题】The visiting minister expressed his satisfaction with the talks, _________ that he had enjoyed his stay here.
【单选题】在高斯平面直角坐标系中,x轴方向为()方向
【单选题】下面关于虚函数的描述中,正确的是( )。
A.
基类中利用virtual关键字说明一个虚函数后,其派生类中定义相同的原型函数时可不必加virtual来说明
D.
派生类中的虚函数与基类中类型相同的虚函数具有不同的参数个数或类型
【多选题】结缔组织病属于自身免疫性疾病的范畴,会出现以下哪些特点
【判断题】在高斯平面直角坐标系中x轴方向为东西方向。
【单选题】Who did the fictional St Valentine send his message to?
B.
The daughter of his enemy.
C.
The daughter of his jailer.
【多选题】结缔组织病属于自身免疫性疾病的范畴,会出现以下特点 ( )