你能将一个圆柱体的生日蛋糕切3刀，切成6块吗？能切成7块吗？能切成8块吗？如果能，请画图说明具体切法。
解：具体切法如图：
Ten years ago the population of our village was ____ that of theirs. [ ]
A. as twice large as
B. twice as large as
C.twice as much as
D. as twice much as
( )帮助生活不能自理老人进食时,护理员不用戴口罩。
