鼻咽部().
A.腋窝组群
B.颈深上群淋巴结组
C.腹股沟组群
D.耳后及乳突区淋巴结组
E.左锁骨上群淋巴结
参考答案:B
They became friends again that day. Until then, they ______ to each other for nearly two years.
A.didn’t speak
B.hadn’t spoken
C.haven’t spoken
D.haven’t been speaking
箱式变内各配电室门内侧应有该配电室设备的()接线图,接线图可用纸打印并作过塑处理。
A、一次
B、二次
C、安装
D、展开