________ students came to the library, but only _____ of them read books.
A:Hundreds of; two hundred
B:Hundred of; two hundreds
C:Hundreds of; two hundreds
D:Hundred of; two hundred
已知:3Cu+8HNO3=3Cu(NO3)2+2NO↑+4H2O,现把19.2g Cu放入足量的稀硝酸中,微热至Cu完全反应.求:
下列大洋中不是亚洲濒临的大洋是( )