下列关于溶液的说法中，正确的是（ ）
A．溶液中各部分性质相同
B．无色透明的液体一定是溶液
C．硝酸铵固体溶于水，温度升高
D．溶质只能是固体
答案：A
进出口邮包必须由寄件人填写( )向邮包寄达国海关申报。
A．提单
B．报税单
C．报关单
D．进出境行李物品申报单
The best method to _____ the goal of helping the patients with AIDS is to unite as many sympathetic people as possible.
A．complete
B．command
C．accomplish
D．accompany
