131. Syklark
Syklark depend for a certain weed which will infest sugar plant, so someone plant an experimental farm which uses a lot of pesticide to kill the weed. but they found that the survival rate of the syklark nesting near the farm didn't decrease, why? ——by s19870117(700)
选项有:Skylark may search food at a very wide range
Skylark probably don't fly back to the former nest.
137.BOLDFACE(保护幼儿)
有道BF,是说保护一个xx动物幼儿的措施,但是这个措施很贵,所以可能不能保护所有这个动物的幼儿。HOWEVER(之后加黑)这个动物的幼儿只在什么条件下来着才at risk(黑结束),therefore, 保护措施是有用的,since,(之后划黑),只有10%的这种幼儿在这种条件下。选的两个都是evidence support main conclusion,e选项。有个比较迷惑的c项,说第一个划线时为了反驳之前的内容,但我觉得并没有反驳,只是为最后的论证提供证据了。——by kangxi4000(770,V44)