题目

19．填入下列文段空白处的词语，最恰当的一组是（3分）（  ）     如果说民族振兴的壮丽景观，  ①  我们在国际竞争的长跑队伍中逐渐追赶上第一方阵，给了我们文化自信以充足的现实理由，  ②  源远流长的中华优秀传统文化，  ③  以悠久厚重的历史和博大精深的内涵，赋予我们的文化以深厚底蕴和坚忍定力。绵延五千多年的中华文化，在不懈奋斗的漫漫旅程中，积累了丰富智慧和坚毅精神。这  ④  为我们今天理解、接受和消化世界各民2．Scientists say California's special landscapes （地貌） are changing gradually as the world gets warmer．Now，with a new generation of computer models，they're trying to make clear what those changes will be：Less snow？More wildfires？Fewer animals？The new computer models allow scientists to divide the state into much smaller regions than ever before---just thirty-six square miles．These regional models give scientists a way of draping （覆盖） climate over California's complex landscape．Scientists want to understand how warming will affect the state's people，its economy，and the thousands of species that only live in California．The State's Climate Action Team has organized a meeting last month in Los Angeles on the economic effects of these targets．California started the only state-run climate research program three years ago and is spending about $5 million a year on it．The goal of the research is to limit the impact of such changes．California is part of an internationally recognized"hot spot"of biodiversity （生物多样性） that e xtends north across the Oregon border and south into Baja California．It's home to 4，426 species of plants，nearly half of which are found nowhere else．What happens in California could have great influence．If California were a nation，it would be the fifth-biggest economy in the world and the 12th-biggest producer of greenhouse gases．28．The writer intends to tell readersD．A．studies on the future wildlife in California by computerB．research on the economy of California caused by getting warmerC．a study of the future of California carried out by the California governmentD．research on the future effects on California caused by getting warmer 29．The underlined word"impact"in the 4th paragraph probably has the same meaning asC．A．importance   B．reason     C．effect               D．cost30．More than two thousand species of plantsA．A．exist only in this area．B．will survive in this area．C．have died out．D．is being harmed by the changing weather．31．What did the author really mean when he or she supposed （假设） California to be a nation？BA．The author hoped it would become an independent country．B．The author considers California as a very important area．C．The author believed that California was a very large area．D．The author thought California was the most important state of America．