题目

A group called New Story is working with a company called Icon to quickly build lots of houses for poor people in Tabasco, Mexico. The way they are building the houses is _______-by 3D-printing technology.New Story is a group _______ works to bring cheap but good houses to people who can't _______ them. The group has built over 2,700 houses in places _______ Bolivia, EI Salvador, Haiti and Mexico. In the past, New Story built _______ houses in a normal way. But it _______ a long time. That's _______ New Story began to work with Icon. Icon has developed a way to build houses _______ by 3D-print有一个长为40厘米、宽为29厘米的长方形，将其剪成边长为2厘米的小正方形，最多能剪（ ）个。A.200B.280C.300