英语选词填空,

英语选词填空,
The movie Twister is about some people who run after tornadoes.Tornado chasers are people who __1__ tornadoes to study them.They want to __2__ more about tornadoes.They want to know where they are likely to form and__3__ they will come.If they make sure of that,they will tell people who are in the path of a tornado.This will help save__4__.But getting information about tornadoes isn't __5__.It's hard to tell when they will form and where they will ___6__.Sometimes,tornado chasers try to put__7__instruments in the paths of tornadoes.With these instruments,___8__ can collect information about the air temperature and pressure inside the tornado .They can also know the___9___speed and direction.But it's hard to do that__10__the tornadoes often blow away all the instruments.
选词：where,life,weather,learn,go,when,follow,so,wind,because,scientist,easy