接地母线、接地连接线不得使用铝芯电缆。()
参考答案:对
关于癌的转移方式,下列哪项是错误的()。
A.血行转移
B.种植转移
C.直接蔓延
D.淋巴转移
E.间接蔓延
Here _______a photo of my family. My family _______ in it.
A.are, are
B.is, are
C.are, is
D.is, is