The best choice is _____ A: The man got the flu. B: It was weekend. C: Many students caught flu except him. D: There was no school because of the flu.

Although there are some drugs effective in relieving flu symptoms today, none can cure flu.

But in late September 2009, officials reported [u]there was significant flu activity in almost every state[/u] and [u]that[/u] virtually all the samples tested are the new swine flu, [u]also known as (A) H1N1[/u], not seasonal flu.关于本句语法的分析，下列选项正确的是（    ）。 A: 主句主干为 …officials…are the new swine flu B: there was significance flu activity in almost every state 为定语从句 C: that 引导宾语从句 D: also known as (A) H1N1 作伴随状语

3. has become the first pandemic of the 21st Century. A: The Spanish flu B: Swine flu C: Hong Kong flu D: Asian Flu

flu ← influenza flu是influenza的截短词。

The title that best expresses the theme of the passage is" ______ ". A: Thailand Is Badly Influenced by Bird Flu B: Bird Flu Has No Influence on Developed Countries C: The Outbreak of Bird Flu Is Very Astonishing D: Bird Flu Causes Asian Stock Market Losses

One of the ______________ of flu is headache.

Theword“flu”isformedbyback-formation.

Unfortunately, flu viruses ___ each year, so you aren't protected from getting the flu forever.

The party had to be ( ) because the host went down with a bad case of flu.