新的操作系统使你的电脑更容易操作。

　　Ⅳ.课文语法填空

　　Nature is turning on us

　　The last few years 1.have_seen (see) environmental disasters 2.on_ a grand scale, and experts are predicting far worse to come. Jin Li reports on our Earth's 3.changeable (change) weather patterns.

　　In the last decade, thunderstorms, floods, earthquakes, typhoons and tsunamis have become increasingly common. Reduced rainfall has affected large areas of Africa for years, 4.leaving (leave) irrigation canals dry. A number of nations have already been in 5.armed (arm) conflict over water.

　　Volcanic eruptions and earthquakes have always been 6. a_ threat in certain parts of the world. Indonesia has had a rough time, suffering several killer quakes. Why is nature beginning to turn 7. on us? One answer is overpopulation.People in agricultural areas, without any means to earn their living, move to the cities and then construct shabby homes from 8.whatever materials they can find on poor clay soil. These homes, seldom made of bricks, can easily fall down in earthquakes or slip and slide downhill in landslides, especially in 9.mountainous (mountain) areas.

　　Most disaster experts believe there is the potential 10.that things could get a lot worse.Professor Hou Ming, of Beijing University studies volcanoes and he warns that the world has not seen the worst nature can do.

　　Ⅴ.串点成篇微表达

　　除了(apart from)聪明之外，吉姆还很勤奋。因此(as a result)，他在学校里总是取得好成绩。他主张(advocate)每个人都应该努力学习，否则(or else)他就不会抓住(seize)好机会。总之(all in all)，你应该对你自己负责(answer for)。

　　Apart_from_being_intelligent,_Jim_is_also_hard­working._As_a_result,_he_is_always_achieving_good_results_at_school.He_advocates_that_everyone_(should)_study_hard,_or_else_he_won't_seize_the_good_opportunity.All_in_all,_you_should_answer_for_yourself.

　　二、勤练高考题型，多练自能生巧

Ⅰ.阅读理解

　　Channel Islands foxes can only be found in Channel Islands National Park, a chain of islands off the coast of California. They faced a sharp decrease in number in the late 1990s. Populations of the fox had dropped more than 90 percent on four of the six islands. On Santa Cruz Island, where 1,400 foxes had once lived, fewer than 55 remained. The population on Santa Rosa Island had dropped from 1,780 to just 15.

"Golden eagles were the main threat (威胁) facing the small animals，" scientists said. The birds were not native to the islands and had only started frequenting the area in the 1990s after use of the pesticide (农药) DDT wiped out the larger, native bald eagles. "Golden eagle predation (捕食行为) was considered unnatural because golden eagles were rarely observed，" the