▶ Topic :
The lecturer claims that three solution to solve prolific cane toads is useless for several reasons. This is in sharp contrast to the reading passage's claim that three solution key word such as fences, local volunteers, virus is effective way to cope with cane toads's matter.
First and foremost, the lecturer argues that to make a fences is no use for prevent cane toads from spread out villege to villege. This is because fences can not disrupt flow of water, cane toads just exploit stream of water to move another regions. This arguement goes against the reading passage's claim that with fence, toad canes can not move to anothor domain for free.
In addition, the lecturer contends that all the local volunteers are not biologist. To be specific, all the local volunteers are not biologist, how to train them to distingush between flog and cane toads. It is very difficult for local volunteers to distingush between flog and cane toads because they have a strong resemblance. This casts doubt on the reading passage's claim that to exterminate cane toads, we can support local volunteers to catch cane toads.
Lastly, the lecturer insists that virus can not useless to prevent cane toad's extend. This is because, ironically, virus can destory local region as much as cane toads did. This refutes the reading passage's claim that virus resulting in a decrease in the cane toad population.
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