题目内容
利什曼病是一种传染病，这种病是通过沙蝇叮咬患病的老鼠后再咬人而传播的。在某地区建设一个新的城镇时，虽然在该地区利什曼病和沙蝇都是常见的，流行病专家却警告说，加强灭鼠的力度以降低老鼠的数量，这种做法将弊大于利。 以上陈述如果为真，则以下哪项最好地证实了专家的警告
查看答案
搜索结果不匹配？点我反馈
更多问题
Among the most popular books being written today are those which are usually classified as science fiction. Hundreds of titles are published every year and are read by all kinds of people. Furthermore, some of the most successful films in recent years have been based on science fiction stories.It is often thought that science fiction is a fairly new development in literature, but it can be found in books written hundreds of years ago. These books were often concerned with the presentation of some form of ideal society, a theme which is still often found in modern stories.Most of the classics of science fiction, however, have been written within the last hundred years. Books by writers such as Jules Verne and H.G. Wells, to mention just two well-known authors, have been translated into many languages. Modern science fiction writers don"t write about men from Mars or space adventure stories. They are more interested in predicting the results of technical developments on society and the human mind; or in imagining future world which are a reflection of the world which we live in now. Because of this their writing has obviously political undertones.In an age where science fact frequentlyovertakesscience fiction, the writers may find it difficult to keep ahead of scientific advances. Those who are sufficiently clear-sighted to see the way we are going, however, may provide a valuable lesson on how to deal with the problems which society will inevitably face as it tries to master its new technology. The underlined word "overtakes" in the last paragraph means
兴趣是最好的老师。因此，激发学生的学习兴趣成为教学的关键一环。请你以“How to Stimulate Students" English Learning Interest”为题，谈谈自己的体会和看法。 注意：词数不少于150。
A powerful earthquake struck an area near the northern coast of Chile on Wednesday. The earthquake came a day after an even stronger quake 1 the area. The earlier quake was 2 for at least six deaths.The United States Geological Survey says a 7.8 3 aftershock hit northern Chile late Wednesday night, local time. U.S. officials said the aftershock was centered about 23 kilometers south of the port of Iquique. They said it struck at a depth of 20 kilometers below sea 4 .The aftershock led Chilean officials to order thousands of people away from 5 areas. It also led to warnings of high tsunami waves in parts of the Pacific Ocean. The orders and tsunami warnings were later 6 . Chilean police and soldiers guarded coastal communities to prevent 7 on homes and businesses. Television video showed damaged buildings in Iquique. But officials found surprisingly 8 damage from the quake. President Michelle Bachelet visited the 9 area. She spoke to the nation about the disaster. She also said 10 measures have been taken to protect lives and property. Earthquakes are 11 common in Chile. They are also a fact of life in the American state of California. Scientists say a quake of magnitude eight or higher could strike along the San Andreas Fault in coming years. The San Andreas Fault extends from north to south through California. Thousands died in its last major rupture, or movement. 12 took place near the city of San Francisco in 1906.Smaller earthquakes also can be 13 if they strike close to heavily 14 areas. Safety experts say every home needs to have a plan of action, supplies food and water, and emergency equipment.Kate Hutton is a seismologist at the California Institute of Technology. She specializes in the study of earthquakes. Kate Hutton admits there is no way to 15 earthquakes, so being prepared is the best defense.
"I sometimes get up at three or four in the morning and I surf the net.""I often check my e-mail forty times a day.""I often spend more than three hours during one time on the net.""I spend more time in chat rooms than with my "real-life" friends."Do you know any people like these They are part of a new addiction (瘾) called Internet addiction. Internet addicts spend at least thirty to forty hours online every week. The use of the Internet can be an addiction like drug use. People lose control of the time they spend on the Internet.For example, one college student was missing for several days. His friends were worried, and they called the police. The police found the student in the computer lab: he was surfing the net for several days straight.Studies show that about 6 to 10% of Internet users become addicted. And people worry about the teens because the Internet is changing the playing field for some of them. They spend more time in cyberspace than in the real world of friends and family.Is "surfing the net" a hobby or an addiction for you You may have a problem if you have these symptoms (症状):●You do not go to important family activities or you do not do school work because you like to spend hours on the Internet.●You can"t wait for your next online time.●You plan to spend a short time online, but then you spend several hours.●You go out with your friends less and less. The example in the passage shows that
微信支付 
支付宝支付