热定形导轨结焦，正确的解决办法（）。
A.加大给油
B.减少给油
C.换优质油
参考答案：C
It was between 1830 and 1835________the modern newspaper was born.[ ]
A．what
B．which
C．because
D．that
为了弹出对象快捷捕捉菜单，需要在按住Shift键的同时右击。
