中低熔铸造合金包埋材料的结合剂是（）
A.磷酸二氢铵
B.磷酸二氢镁
C.氧化镁
D.石英粉
E.硬质石膏
参考答案：E
— Would you like _____ some milk?
— No, thanks. I don't feel like _____ anything now.[ ]
A. to have, to drink
B. having, to drink
C. having, drinking
D. to have, drinking
各级公安机关接受同级党委的( )的领导。
A．书记
B．首长
C．政法委
D．政法委书记
