本题目来源于试卷: Aquatic Food Production，类别为 IB环境系统与社会
[单选题]
Figure: Number of wha 4ulu+t8 d/ov* ( hwicdp )93v gkgv:w(i4ouma9i5 mk tles killed globally from 1900 to 2012
Commission (IWC) agreed to a pause in commercial whaling, which came into action in 1987.
To what extent has the IWC been successful in the conservation of this controversial species?
A. The IWC was very successful in limiting commercial whaling, as the number of whales killed decreased after the agreement.
B. The IWC was successful in limiting commercial whaling as the numbers started to decrease starting in 1970.
C. The IWC was successful in limiting commercial whaling; however, it can be seen that there are still incidences of commercial whaling.
D. The IWC was not successful in limiting commercial whaling, as it can be seen that there are still incidences of commercial whaling.
参考答案: C
本题详细解析:
Looking at the graph, it can be seen that the IWC was successful in14gw3dlz s ;dx limiting commercial whaling as the number of whales killed had significantly decreased; therefore, option D is not correct. That being said, the agreement can not bedxd 4g z13w;sl described as completely successful as there were still incidents of increased whaling after 1990; therefore, options A and B are not correct. The agreement did have some success; however, looking at the graph, whaling was on the rise from 1990 to 2012, indicating that there are still incidents occurring and affecting this species. Therefore option C is correct.
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