【正文】
plant grown in greenhouses are protected from the wind, rain and insects. It is the plants grown in greenhouses that are protected from the wind, rain and insects. agricultures should depend on high technology as well as traditional methods. It is high technology as well as traditional methods that future agriculture should depend on. I. Rewrite these sentences, emphasising the underlined parts. II. Rewrite the sentences below, emphasizing as many parts as possible. 1).Some people in South America still practise this kind of farming. It is in south America that some people still practise this kind of farming. It is some people in South America who still practise this kind of farming. It is this kind of farming that some people in south America still practise. 2).During that period of time they made three important discoveries. It was during that period of time that they made three important di