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Why does the World Health Organization give help to national governments to wipe out malaria?

单选题
2022-01-02 03:27
A、The author does not give any reason in the whole passage.
B、Local governments are not skillful enough to kill mosquitoes.
C、Current sprays are not powerful enough to kill mosquitoes.
D、No new poisons have been developed to kill mosquitoes so far.
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正确答案
A

试题解析
[解析] 文中并未涉及原因,故选A。

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