Unit 3 The environment第 6 课时 巩固与提升一、完形填空。 阅读下面短文，从短文后所给的 A、B、C 三个选项中选出能填入相应空白处的最佳选项。 The weather in my hometown today is different from it was many years ago. It was too 1 at that time. Now it becomes cool 2 all the mountains around my hometown are covered with 3 . There is no more sand on the surface of the earth because of these new trees. At the beginning of last century, 4 was/were everywhere here, so we couldn’t grow any crops on the 5 land. In 1952, a number of young men came to live here. 6 wanted to change the poor land. They worked hard to plant trees to 7 earth from being carried away by the wind and rain. After many years of hard 8 , a beautiful new 9 appeared on the poor land. Now people in this town still 10 planting more trees all the time. They want to keep making it more beautiful for people in the future. （ ）1．A．hot B．cold C．cool （ ）2．A．so B．but C．because （ ）3．A．flowers B．sand C．trees （ ）4．A．sand B．flowers C．trees （ ）5．A．rich B．poor C．fresh （ ）6．A．They B．It C．We （ ）7．A．begin B．end C．keep （ ）8．A．works B．work C．jobs （ ）9．A．city B．town C．village （ ）10．A．go on B．give up C．start with A CC A B A C B B A 二、阅读理解。 阅读下列短文，从下面每小题的 A、B、C、D 四个选项中选出最佳选项。 A Many teenagers feel that the most important people in their lives are their friends. They believe that their family members don’t know them as well as their friends do. In large families, it is quite often for brothers or sisters to fight with each other and then they can only go to their friends for some ideas. It is important for teenagers to have one good friend or a group of...
