大学英语四级选词填空及答案

A. createB. depressedC. eventuallyD. experiencesE. exploringF. exteriorG. habitatsH. innovateI. intentionallyJ. investmentK. revealingL. stretchesM. strippedN. territoryO. victim（一）Ships are often sunk in order to create underwater reefs （暗礁） perfect for scuba diving （水肺式潜泳） and preserving marine _26_. Turkish authorities have just sunk something a little different than a ship, and it wouldnt normally ever touch water, an Airbus A300. The hollowed-out A300 was _27_ of everything potentially harmful to the environment and sunk off the Aegean coast today. Not only will the sunken plane _28_ the perfect skeleton for artificial reef growth, but authorities hope this new underwater attraction will bring tourists to the area.The plane _29_ a total length of 54 meters, where experienced scuba divers will _30_ be able to venture through the cabin and around the planes _31_ Aydin Municipality bought the plane from a private company for just under US $ 100, 000, but they hope to see a return on that _32_ through the tourism industry. Tourism throughout Turkey is expected to fall this year as the country has been the _33_ of several deadly terrorist attacks. As far as sunken planes go, this Airbus A300 is the largest _34_ sunk aircraft ever.Taking a trip underwater and _35_ the inside of a sunken A300 would be quite an adventure, and that is exactly what Turkish authorities are hoping this attraction will make people think. Drawing in adventure seekers and experienced divers, this new artificial Airbus reef will be a scuba divers paradise （天堂）.（二）A. acquiredB. adaptationsC. brutalD. deliberatelyE. expressedF. extendsG. habitatsH. humbleI. imageJ. literallyK. refinedL. revolvesM. speculateN. structureO. thriveJust because they cant sing opera or ride a bicycle doesnt mean that animals dont have culture. Theres no better example of this than killer whales. As one of the most _26_ predators （食肉动物）, killer whales may not fit the _27_ of a cultured creature. However, these beasts of the sea do display a vast range of highly _28_ behaviors that appear to be driving their genetic development.The word culture comes from the Latin colere, which _29_ means to cultivate. In other words, it refers to anything that is _30_ or learnt, rather than instinctive or natural. Among human populations, culture not only affects the way we live, but also writes itself into our genes, affecting who we are. For instance, having spent many generations hunting the fat marine mammals of the Arctic, the Eskimos of Greenland have developed certain genetic _31_ that help them digest and utilize this fat- rich diet, thereby allowing them to _32_ in their cold climate.Like humans, killer whales have colonized a range of different _33_ across the globe, occupying every ocean basin on the planet with an empire that _34_ from pole to pole. As such, different populations of killer whales have had to learn different hunting techniques in order to gain the upper hand over their local prey （猎物）. This, in turn, has a major effect on their diet, leading scientists to _35_ that the ability to learn population-specific hunting methods could be driving the animals, genetic development.（三）A. bidB. contrastC. deputyD. dominanceE. fleetsF. knotsG. legislationH. migratedI. replaceJ. representK. restrictiveL. rewardM. significantN. sponsorO. transmittedThe center of American automobile innovation has in the past decade moved 2,000 miles away. It has _26_ from Detroit to Silicon Valley, where self-driving vehicles are coming to life.In a _27_ to take production back to Detroit, Michigan lawmakers have introduced _28_ that could make their state the best place in the country, if not the world, to develop self-driving vehicles and put them on the road.Michigans _29_ in auto research and development is under attack from several states and countries which desire to _30_ our leadership in transportation. We cant let that happen, says Senator Mike Kowall, the lead _31_ of four bills recently introduced.If all four bills pass as written, they would _32_ a substantial update of Michigans 2013 law that allowed the testing of self-driving vehicles in limited conditions. Manufacturers would have nearly total freedom to test their self-driving technology on public roads. They would be allowed to send groups of self- driving cars on cross-state road trips, and even set up on-demand _33_ of self-driving cars, like the one General Motors and Lyft are building.Lawmakers in Michigan clearly want to make the state ready for the commercial application of self-driving technology. In _34_ , California, home of Silicon Valley, recently proposed far more _35_ rules that would require human drivers be ready to take the wheel, and ban commercial use of self-driving technology.（四）A. climbedB. consumeC. decadeD. determineE. effectiveF. harmfulG. outcomesH. passivelyI. previouslyJ. resumeK. sufferedL. surfingM. termN. terminalsO. twistingIts our guilty pleasure: Watching TV is the most common everyday activity, after work and sleep, in many parts of the world. Americans view five hours of TV each day, and while we know that spending so much time sitting 36 can lead to obesity (肥胖症) and other diseases, researchers have now quantified just how 37 being a couch potato can be.In an analysis of data from eight large 38 published studies, a Harvard-led group reported in the Journal of the American Medical Association that for every two hours per day spent channel 39 , the risk of developing Type 2 diabetes(糖尿病) rose 20% over 8.5 years, the risk of heart disease increased 15% over a 40 , and the odds of dying prematurely 41 13% during a seven-year follow-up. All of these 42 are linked to a lack of physical exercise. But compared with other sedentary(久坐的) activities, like knitting, viewing TV may be especially 43 at promoting unhealthy habits. For one, the sheer number of hours we pass watching TV dwarfs the time we spend on anything else. And other studies have found that watching ads for beer and popcorn may make you more likely to 44 them.Even so, the authors admit that they didnt compare different sedentary activities to 45 whether TV watching was linked to a greater risk of diabetes, heart disease or early death compared with, say, reading.（五）A. announcingB. beneficialC. challengesD. commitmentE. componentF. contestsG. criticallyH. developI. distributingJ. enhanceK. entitledL. potentialM. properlyN. qualifiedO. retainThe U.S. Department of Education is making efforts to ensure that all students have equal access to a quality education. Today it is _36_the launch of the Excellent Educators for All Initiative. The initiative will help states and school districts support great educators for the students who need them most.“All children are 37 to a high-quality education regardless of their race, zip code or family income. It is 38 important that we provide teachers and principals the support they need to help students reach their full 39 ,” U.S. Secretary of Education Arne Duncan said. “Despite the excellent work and deep 40 of our nations teachers and principals, students in high-poverty, high-minority schools