# Yahoo奇摩 網頁搜尋

1. ### why we may feel pain when we travel on an aeroplane？ 10分

... tube is normally closed but opens from time to time when we swallow, yawn or chew. In most people, just normal swallowing and ...

2. ### Can we convert a MIDi file to a digital wave audio file??

We can convert a MIDI file to a digital wave audio file. To do that you need..., then after the recording, you can save it as a wave file. But we can&#39;t convert a digital wave audio to a MIDI file. Because wave...

3. ### We know g(x) = 2(x-m)^2 + 3 and g(0) = 11

g(x) = 2(x-m)^2 + 3 , g(0) = 11 11= 2(0-m)^2 + 3 11-3 = 2(-m)^2 8 = 2m^2 8/2 = m^2 4 = m^2 or m^2 = 4 m = -2 or +2 (this is answer)

4. ### where can we buy seedlings ?

AT MON KOK........

5. ### how can we keep hong kong clean?

1. We can improve the air quality in Hong Kong. 2.support: no vessel shall emit excessive or nuisance smoke. 3.Don&#39;t throw away the rubbishes 4. We can switch off our engines when we take a break. 5.Save energy...

6. ### Why we need to save water?

...water, cant drink. Also, according to USA doctor, professional, if we keep using water in this way. 2050 will be no more water for human being...