1 . 选词填空

feeling down        varies from          draw out            get through          pick up

1. She found a substance that worked by using a lower temperature to ________ the extract.
2. Since reindeer were always on the move, the Sami would ________ their tents and accompany them.
3. Just like spoken language, body language ________ culture to culture.
4. And if we are ________ or lonely, there is nothing better than seeing the smiling face of a good friend.
5. A smile can help us ________ difficult situations and find friends in a world of strangers.