(单词翻译:单击)
听力文本
On Wednesday, the World Health Organization said that the ongoing yellow fever outbreak in the African countries of Angola and the Democratic Republic of Congo
周三，世界卫生组织称，黄热病正在非洲安哥拉和刚果民主共和国爆发，
does not mean there is a public health emergency as of now, but caution is still necessary.
并不意味着发生突发公共卫生事件，但仍需谨慎对待。
The organization estimated in a statement that there have been 6,000 suspected cases and 1,000 laboratory-confirmed cases of yellow fever, a viral disease transmitted by infected mosquitoes.
该组织在一份声明中估计，已有6,000个疑似病例和1,000个实验室确诊黄热病病例，这是一种由受感染的蚊子传播的病毒性疾病。
According to Dr. Peter Salama, executive director of the WHO Health Emergency Program, though Yellow Fever cases continue to be reported this year,
根据世界卫生组织紧急项目执行理事彼得·萨拉玛称，今年黄热病病例有持续报道，
the last confirmed cases were reported back June 23 in Angola and July 12 in the Congo.
最近确认的病例报告于6月23日在安哥拉和7月12日在刚果。
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词汇解析
1、necessary
必要的;必需的
I kept the engine running because it might be necessary to leave fast.
我没让发动机熄火，因为也许需要迅速离开。
We will do whatever is necessary to stop them.
我们要采取一切必要措施去阻止他们。
(结果或联系)必然的，势必的
Wastage was no doubt a necessary consequence of war.
巨大的损耗无疑是战争的必然结果。
Scientific work is differentiated from art by its necessary connection with the idea of progress.
科学工作与艺术的区别在于它与人类进步有着必然联系。
如果必要的话
If necessary, the airship can stay up there for days to keep out of danger.
必要时，飞艇能在那里停留数天以躲避危险。
The army needs men who are willing to fight, when necessary.
军队需要在必要时愿意投入战斗的军人。
2、executive
主管;管理者;经理
an advertising executive.
广告主管
Her husband is a senior bank executive.
她丈夫是银行高级主管。
管理的;执行的
A successful job search needs to be as well organised as any other executive task.
成功的求职与执行其他任何任务一样，都需要良好的条理性。
I don't envisage I will take an executive role, but rather become a consultant on merchandise and marketing.
我不设想自己将成为管理人员，但很希望成为商品营销顾问。
