In many countries around the world, rural people are moving to cities, s...

参考范文1 The three line graphs illustrate trends in hospital bed density (p...

Some people think that governments should give financial support to crea...

Some university students want to learn about other subjects in addition ...

The most important aim of science should be to improve people's lives. T...

The diagram below shows how fabric is manufactured from bamboo. Summaris...

The charts below give information about a public library in a town calle...

The plans below show the site of Beechwood Farm in 1950 and the same sit...