We are going to play basketball _____ Sunday.[ ]
A. on
B. for
C. with
D. at
答案:A
在( )里填上适当的数。
2373= (2000) +(300) +(70) +(3)
(1)8024=( )+( )+( )+( )
(2)6089=( )+( )+( )+( )
(3)5409=( )+( )+( )+( )
(4)6456=( )+( )+( )+( )
(5)3207=( )+( )+( )+( )
脾主升清的“清”是指
A.水谷精微
B.血液
C.津液
D.正气