有一栋房屋在图上量得长度为50cm,用的是1:100比例,其实际长度是()
A.5m
B.50m
C.500m
D.5000m
E.50000m
参考答案:B
--We all know that paper is made ________ wood.
-- Yes, we can also say that wood can be made ________ paper.
A.of, from
B.of, into
C.from, into
D.from, of
鉴定化学酱油与酿造酱油的主要成分()
A.氨基酸态氮
B.氯化钠
C.棕红色素
D.乙酰丙酸