火眼金睛。(选一选,涂上自己喜欢的颜色)
心酸(sān suān) 板凳(dèn dèng) 狐狸(li ní) 顺利(shùn xùn)
suān dèng li shùn
In old Chinese poems, each line has _________ words. [ ]
A. a number of
B. several
C. a good number of
D. a set number of
袋装水泥规定每袋净重(),且不得少于标志质量的98%。
A.45kg
B.50kg
C.55kg
D.60kg