alternative, choose, pick, select都含有一定的“选择”之意
1. He selected an appropriate birthday card for his mother.
2. Children shouldn’t pick food.
3. He chose Miss Lily for his wife.
4. When traveling, you are advised to take travelers’ checks, which provide a secure alternative to carrying your money in cash.
5. I’m to pick out a few good books to send to my friend.
(pick up收拾整理，用车接人;pick out挑选，拣出;pick at吃一点点，无食欲地吃)