315 problem和question都可以表示“问题”
1 problem 意为“问题，难题”，指客观存在的亟待解决的问题，尤其指那些难度大的或棘手的问题，搭配有：
a problem in maths/English
a/the problem:
solve
settle
work out
discuss
It is a problem how to put an end to inflation. 如何终止通货膨胀是个难题。
He has solved the difficult problem . 他解决了这道难题。
The maths problem is not difficult. 这道数学题不难。
2 question 常指由于不能断定或疑惑不解而提出的问题，等待回答，搭配有：
ask sb. a question
put a question to sb.
answer the question
out of question完全可能，毫无疑问
out of the question不可能的
She often asks a lot of questions . 她常常问许多问题。
Who can answer this question in English？谁能用英语回答这个问题？
May I ask you a question ? 我可以问你一个问题吗？
