阅读下面短文，并根据短文后的要求回答问题。（注意字数要求）。
[1] With the average number of children in a British family falling beneath an average of two, the population of the UK has been falling for quite a few years. This trend is quite worrying for the British economy.
[2] Why aren’t the British having as many children as they used to? Well, there is a range of reasons. One of them is that British people are now having their children at a much older age than previously. Most young people today want a well-paid job, so they have to go to university. After
