1The heightened alert __2__ an emergency meeting with flu experts in Geneva that assembled after a sharp rise in cases in Australia, and rising __3__ in Britain, Japan, Chile and elsewhere.
主干主语：The heightened alert；谓语：__2__；宾语：an emergency meeting with flu experts in Geneva
结构主句为“警戒引发会议”。that assembled...为定语从句修饰meeting，after引导时间状语。and连接两个并列名词短语a sharp rise与rising __3__，共同作after的宾语。in Britain...为地点状语修饰rising。
译文高度警戒促使了在日内瓦召开的流感专家紧急会议，该会议是在澳大利亚病例急剧增加以及英国、日本、智利等地病例上升之后召集的。
考点that引导的定语从句后置修饰meeting · after后接并列名词短语作时间状语
2But the epidemic is “ __4__ ” in severity, according to Margaret Chan, the organization’s director general, __5__ the overwhelming majority of patients experiencing only mild symptoms and a full recovery, often in the __6__ of any medical treatment.
主干主语：the epidemic；系动词：is；表语：“ __4__ ” in severity
结构according to...为插入语，the organization’s director general为Margaret Chan的同位语。__5__后接独立主格结构（majority experiencing...）作原因状语。often in the __6__ of...为方式状语修饰experiencing。
译文但据该组织总干事陈冯富珍称，此次疫情在严重程度上“温和”，因为绝大多数患者仅出现轻微症状并完全康复，往往无需任何治疗。
考点独立主格作原因状语 · 同位语与插入语打断主句
3The outbreak came to global __7__ in late April 2009, when Mexican authorities noted an unusually large number of hospitalizations and deaths __8__ healthy adults.
主干主语：The outbreak；谓语：came to；宾语：global __7__
结构in late April 2009为时间状语。when引导非限制性定语从句修饰时间，从句中noted的宾语为an unusually large number of hospitalizations and deaths，__8__ healthy adults为后置定语修饰deaths（或hospitalizations and deaths）。
译文此次疫情于2009年4月下旬引起全球关注，当时墨西哥当局注意到健康成年人中出现了异常大量的住院和死亡病例。
考点when引导非限制性定语从句修饰时间 · 后置定语修饰deaths
4But in late September 2009, officials reported there was __11__ flu activity in almost every state and that virtually all the __12__ tested are the new swine flu, also known as (A) H1N1, not seasonal flu.
主干主语：officials；谓语：reported；宾语：there was... and that...
结构reported后接两个并列宾语从句：there was...（省略that）与that virtually all...。also known as...为插入的同位语/后置定语修饰the new swine flu。not seasonal flu为补充说明。in almost every state为地点状语。
译文但到2009年9月下旬，官员报告称几乎每个州都有流感活动，而且检测出的几乎所有病例都是新型猪流感（又称甲型H1N1），而非季节性流感。
考点reported后接并列宾语从句（一省that） · also known as作后置定语
5More than three million doses were to be made available in early October 2009, though most of those __17__ doses were of the FluMist nasal spray type, which is not __18__ for pregnant women, people over 50 or those with breathing difficulties, heart disease or several other __19__ .
主干主语：More than three million doses；谓语：were to be made available
结构though引导让步状语从句。which is not __18__ for...为非限制性定语从句修饰the FluMist nasal spray type。for后接三个并列宾语：pregnant women、people over 50、those with...（with后为并列疾病名词）。
译文超过三百万剂疫苗原定于2009年10月初供应，不过其中大多数是FluMist鼻喷型，不适用于孕妇、50岁以上人群或有呼吸困难、心脏病及其他几种疾病的人。
考点though让步状语从句 · which非限制性定语从句+for后多宾语并列