一般植物成熟叶片的角质蒸腾约占总蒸腾量的（）。
参考答案：5%—10%
Peter’s jacket looked just the same as Jack’s, but it cost _____ his.
A．as much twice as
B．twice as much as
C．much as twice as
D．as twice much as
如何理解司法鉴定的基本任务与具体任务？
