天山-3-24（以前没讨论过）

xieguodong

think the answer is A

the birds will eat a signifantly amount of sunflowers..but the farmers are only placed a small amount of poisoned rice..

if those birds arrive first..it's very likely that they will finish the small amount of rice (因為她們食量大!)

-- by 会员 amacd (2005/9/14 17:20:00)

看题还是要仔细啊

wtylys

唉，天山题太变态了。。。。