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1、2019高考英语（九月）题型整合练（11）李仕才一、阅读理解。ANowadays more and more people are talking about genetically modified foods ( GM foods). GM foods develop from genetically modified organisms (有机体), which have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much m
2、ore precise where an organism is exposed to chemicals to create a nonspecific but stable change. For many people, the hightech production raises all kinds of environmental, ethical, health and safety problems. Particularly in countries with long farming traditions, the idea seems against nature.In f
3、act, GM foods are already very much a part of our lives. They were first put on the market in 1996. A third of the corn and more than half the cotton grown in the U. S. last year was the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically m
4、odified crops will be planted in the US this year.The genetic genie is out of the bottle.However, like any new product entering the food chain, GM foods must be subjected to careful testing. In wealthy countries, the debate about biotech is not so fierce by the fact that they have a large number of
5、foods to choose from, and a supply that goes beyond the needs. In developing countries desperate to feed fastgrowing and underfed populations, the matter is simpler and much more urgent: do the benefits of biotech outweigh the risks?The statistics on population growth and hunger are disturbing. Last
6、 year the worlds population reached 6 billion. The UN states that nearly 800 million people around the world are unhealthy. About 400 million women of childbearing age don t have enough iron, which means their babies are exposed to various birth defeats.As many as 100 million children suffer from vi
7、tamin A deficiency, a leading cause of blindness.How can biotech help? Genetic engineering is widely used to produce plants and animals with better nutritional values. Biotechnologists have developed genetically modified rice and they are working on other kinds of nutritionally improved crops. Biote
8、ch can also improve farming productivity in places where food shortages are caused by crop damage attributable to drought, poor soil and crop viruses.1.The passage mainly talks about_.A. the worlds food problemB. the development in biotechC. the genetically modified foods D. the way to solve food sh
9、ortages2.According to the passage, GM foods_.A. will replace naturally grown foodsB. are far better than naturally grown foodsC. may help to solve the problem of poor nutritionD. can cause serious trouble in developing countries3.The underlined sentence “The genetic genie is out of the bottle.” in P
10、aragraph 2 probablymeans that_.A.GM foods are available everywhereB. the technology in producing GM foods is advancedC. genetic technology may have uncontrollable powersD. genetic technology has come out of laboratories into markets4.Whats the writers attitude towards GM foods?A. Enthusiastic.B. Cau
11、tious.C. Disapproving.D. Unbelievable.【文章大意】本文是一篇说明文，主要介绍了转基因食品及其对人类生活的影响。1.C 【解析】主旨大意题。根据文章内容，特别是第一段中的“Nowadays more and more people are talking about genetically modified foods ( GM foods).”可知，本文主要介绍的是转基因食品。2.C 【解析】细节理解题。根据最后一段中的“Genetic engineering is widely used to produce plants and animals wit
12、h better nutritional values.”可知，转基因食品有助于解决营养不良问题。4.B 【解析】观点态度题。根据第三段中的“However, like any new product entering the food chain, GM foods must be subjected to careful testing.”可知，作者认为转基因食品进入市场前需要严格的检测，由此可见作者对转基因食品的态度是谨慎的。BWhat are your retirement plans? Keep working? Get more exercise? Or learn somethi
13、ng new? You may put them on hold. Theres a chance that, sooner or later, you might have to move further than you were thinking, as far as Mars (火星)On Thursday, National Geographic will show the first ever Mars show home, giving earthlings an idea of what their life could look like on the Red Planet.
14、 Set in the notsodistant year of 2037, the iglooshaped structure could be the home of your future.It shows a house built using recycled spacecraft parts and Martian soil, called regolith, which has been microwaved into bricks. Some parts of the home are recognisablekitchen, bedroombut there are fund
15、amental differences that are vital for human survival.As the Martian atmosphere is around one hundredth as thick as the Earths, people will need permanent shelter from the sun and society will move largely indoors. Most buildings will be connected by underground passages and the houses wont have win
16、dows. The homes will have simulated solar lighting, or natural light that has been bent several times.Walls will need to be 10 to 12 feet thick, to protect people from dangerous rays that can pass through six feet of steel, and a double airlocked entrance to keep the home under proper pressure.“We dont think of our houses as things that keep us alive, but
