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  3. Health officials estimate that 35 million Africans are in danger of contracting

Health officials estimate that 35 million Africans are in danger of contracting

游客2025-02-25  33
问题 Health officials estimate that 35 million Africans are in danger of contracting trypanosomiasis, or "African sleeping stickness", a parasitic disease spread by the bites of tsetse flies.
选项 A、are in danger of contracting
B、are in danger to contract
C、have a danger of contracting
D、are endangered by contraction
E、have a danger that they will contract
答案 A
解析 根据用法直接选A。
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