六年级有男生320人,男生与女生人数的比是8:7,女生有多少人?
320÷8×7
=40×7
=280(人).
答:女生有280人.
This morning I tried on some coats in the shop, but _______ of them looked good. [ ]
A. nothing
B. all
C. none
D. neither
石菖蒲的一般用量为( )。
A.3~5g B.3~8gC.6~8g D.3~10gE.8-10g