为保护模拟网络及室内发送、接收设备，采用横向与纵向雷电防护。
参考答案：对
These wild flowers are so special that I would do__________I can to save them.
A．whatever
B．which
C．that
D．whichever
干麦芽贮藏时间至少为（）
A.一周
B.二周
C.三周
D.四周
