去医保定点医院看病还需要到社区先看一下吗？

A. The access point will attempt to download an encryption key from the nearest wireless server.
B. The access point makes several attempts to get an IP address from the DHCP server. If the access point does not receive an address， it assigns itself the IP address 10.0.0.1 for 5 minutes.
C. The access point will attempt to connect to the nearest wireless server using LEAP authentication.
D. The access point requests an IP address from the DHCP server. If the access point does not receive an address， it continues to send requests indefinitely.
E. None of the other alternatives apply

A. Na2S04（固体）+盐酸
B. Mg+H2S04（稀）
C. Ag+CuCl2溶液
D. NaCl溶液+NH4N03溶液

A. 正确
B. 错误