用What提问并不局限于“What is this?’，“What did you do?”等方面。在阅读中，我们常可发现What还可用于很多方面的提问。如：
What is the population of Beijing?(＝How many people are there in Beijing?)
What are cabbages today?
What does the thermometer say?
What year is it?
What is your weight?
What will the refrigerator cost?
Would you mind telling me what the postage on this letter
What is the yield of grain per mu here?
What age is he?
What percentage of people in your country work in industry?
What is the area of this flower garden?
What do you think of the match?
What is the weather like in Tibet?
What's the weather forecast for tomorrow?
What's he like as a violinist?
What if he does not come?
What comes after winter?
What books have you read on this subject?