下列哪个途径可传染艾滋病()
A.同桌吃饭
B.同池游泳
C.触摸交流
D.母婴传染
E.一起工作学习
参考答案:D
— I didn’t care about what other people thought about me.
— Well, you ________.
A.should
B.could
C.would have
D.ought to have
如图所示,若已知通过元件的电流,则电荷的表达式应为()。
A.
B.
C.
D.