已知向量，且(1)求tanA的值；(2)求函数f(x)=cos2x+tanAsinx

根据短文内容，用方框中所给词的适当形式填空。每词限用一次。

life, cause, tooth, both, die

Everyone knows smoking is bad for our health. People who smoke too much may not live long. Lots of people  96     from smoking each year.
Smoking 97  many illnesses. Those who smoke often have bad 98   . A lot of people cough because of smoking. One of the most serious illnesses caused by smoking is lung cancer. Many people suffer from this terrible disease and lose their 99    .
Smoking is bad for 100    smokers and non-smokers, especially women and children.
Smoking is not good for your health. I hope all smokers can give up smoking for themselves and also for the people around them. Let’s enjoy clean air together.
按要求完成下列任务。
小题1:用方框里所给单词的适当的形式填空，使文章通顺、连贯、合理。（每词限用一次）
小题2:I hope smokers can give up smoking for themselves and also…
写出与画线部分意思相近的词         （1分）
小题3:在文中找出可以替换illness的词       （2分）
小题4:翻译文中画线的句子。                                  （2分）