A:2H2SO4(浓)+CuCuSO4+2H2O+SO2↑
B:2H2SO4(浓)+CCO2↑+2H2O+2SO2↑
C:H2SO4(浓)+NaClNaHSO4+HCl↑
D:H2SO4+Na2SO3Na2SO4+H2O+SO2↑
下列有关我国地势的说法,正确的是( )
根据汉语提示,完成句子 Good eating____(习惯) are very important. Healthy lifestyle helps me get good____ (成绩). He is____(躺)in bed to read a book.
I will____ (寄) Tom a postcard. If you are____(口渴的), you may have an apple.