题干
You had better learn to _________ different kinds of problems by yourself.
A：give up
B：make up
C：play with
D：deal with
答案(点此获取答案解析）
D
You had better learn to _________ different kinds of problems by yourself.
A：give up
B：make up
C：play with
D：deal with
练军犬、警犬，把狗用于军事、案件
侦破等方面
