→ johnny739:subjunctive 03/10 00:44
推 BBMak:be it OO or XX= whether they are OO or XX 03/10 12:11
1.Scientists know that natural branching networks, like plant roots, evolved
to minimize the energy needed to distribute resources, ___ it plant
nutrients or oxygen from lung tissue.
Ans: be
【疑惑】請問這裡的be是從哪裡變過來的？ 非常感謝:)
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 122.118.36.208