免费？宅在家学英语？怎么报名？
Compare that to a moderately fuel-efficient conventional car, itcan go 600 to 700 kilometers on a tank of gas and refilling takes just minutes.If there are other drains on an electric car's batteries besides the motor,headlights, air-conditioning or a heater, its already limited range will besignificantly reduced. So automobile engineers are trying to make more powerfulbatteries that would increase the cars' range and make them more attractive tobuyers.
26. What is the talk mainly about?
27. What is the main advantage of electric cars over gas-poweredcars? 28. What is the main drawback of the electric car? 【整体预测】
快速浏览各题选项，根据electric cars、fuel efficiency、pollution、automobile、pollute、drive、faster、go long distances、recharging、steer、engine等关键词推测，该短文与电动汽车以及其优势有关，因为选项中涉及“不会产生污染”，当然还可能与其不足或劣势有关(根据第28题的选项预测)。 26．A
【解题思路】四项均为名词短语，分别为电动汽车、提高燃料效率、加利福尼亚州的污染法规、汽车安全，相互之间的关联度不高，加之本题为该短文的第一题，因此很有可能考查短文主题。 【解析】短文开头开门见山，直入主题：“Are electric cars the way of the future?(电动车会成为未来的主流交通工具吗?)”如果听到此句时没有抓住主题，后面还有机会，因为整篇文章就是围绕electriccars的优势和劣势展开的。故选A。 27．B
【解题思路】
1．四项均为以they开头的句子，they可能指代的是电动汽车。 2．四项都涉及优势(cheaper，do not pollute，simpler，faster)。 结论：本题可能考查电动汽车的优势，需留意相关细节。
【解析】短文中提到：迄今为止电动汽车似乎是最好的替代品，它的一大优势就是不会污染环境。故选B。 28．B
【解题思路】
1．四项均为完整句子，其中三项以it开头，一项以its开头。
2．四项都涉及缺点或劣势(not comfortable，cannot go long，difficult，overheats)。 结论：本题可能考查电动汽车的缺点或劣势，需留意相关细节。
【解析】短文中提到：电动汽车的电池重400千克，充满电后可使汽车行驶250公里，充一次电需要8个小时，相比之下，一辆一般的传统耗油汽车，一箱油能行驶600到700公里，而加满油只需要几分钟。可见电动车的最大劣势就在于单次行程短而充电时间长，故选B。 Passage Two 【听力原文】
Thank you. It's great to see so many of you interested in thisseries on \Outer Space\[29]Tonight I'm going totalk about one of the most basic aspects of survival: the space suit. When mostof you imagine astronaut, that's probably the first thing that comes to mind,right? Well, without space suit it will not be
possible for us to survive in space. For example, 30 outer spaceis a vacuum. There's
免费？宅在家学英语？怎么报名？
no gravity or air pressure. Without protection, a bodywould explode. What's more, we cook in the sun or freeze in the shade withtemperatures ranging from a toasty 300 degrees above to a cool 300 degrees belowzero Fahrenheit. The space suit that NASA has developed is truly a marvel. 31This photo enlargement here is a life size image of an actual space suit wornby astronauts on the last space shuttle mission. This part is the torso. It ismade of seven extremely durable layers. This thick insulation protects againsttemperature extremes and radiation. Next is what they call a bladder of oxygen.That's an inflatable sack filled with oxygen to simulate atmosphere pressure.This bladder presses against the body with the same force as the earthatmosphere at sea level. The innermost layers provide liquid cooling andventilation. Despite all the layers the suit is flexible, allowing freemovement, so we can work. Another really sophisticated part of the space suitis the helmet. I brought one along to show you.
29. What's the speaker's main purpose?
30. What would cause an unprotected human body to explode in theouter space?
31. What does the speaker show the audience as she describes thedifferent parts of space suit? 29．D
【解题思路】四项均为不定式短语，均提及space。由于该题处于第一题，且选项核心动词分别为show、gain、describe、inform，因此本题很有可能是问讲话者的目的，即短文的主旨。 【解析】短文开头处提到：“欢迎收看《外太空生存》系列节目，今晚我们来谈一谈涉及太空生存的最基本因素中的其中一个：宇航服。”随后讲话者简要介绍了宇航服的功能以及其各个部分。故选D。 30．A
【解题思路】四项均为名词短语，其中三项与太空中的独特条件(air pressure，temperature，radiation)有关，可能考查宇航服的某种设计原理。 【解析】短文中提到，宇航服是太空生活所必需的，因为外太空是一个真空空间，没有任何重力和气压，如果没有防护的话，人体将会爆炸。故选A。 31．C
【解题思路】四项均为名词或名词短语，分别为一盘录像带、一本书、一幅照片、一个氧气罐。应注意短文中是否提到相应的细节。 【解析】短文后面部分提到：“这张放大版的照片是一个实物大小的宇航服照片，上一次执行太空任务的宇航员所穿的就是这套宇航服。”接着，讲话者介绍了宇航服各个组成部分。picture是对原文中photo enlargement的同义转述，故选C。 Passage Three 【听力原文】
Last week I told you about how the body uses vitamin C and foodsthat contain vitamin C, such as oranges and tomatoes. [32] Now I want todiscuss vitamin D which is important to human nutrition because it helps thebody to absorb calcium. Calcium as you know is essential for maintaining healthybones and teeth. Vitamin D deficiency an lead to serious bone diseases. E33] Soin the United States it is added to milk, a staple food in most people's diet.Vitamin D is sometimes called the sunshine vitamin. That's because the bodyrequires sunlight in order to make use of it. Here's how it
免费？宅在家学英语？怎么报名？
works: [34] whenultraviolet rays from the sun strike the vitamin D in our skin, the sunlightconverts vitamin D to its active form and a substance called calciferol isproduced.Calciferol is what carries the calcium to our bones. [34] [35]If ourbodies are not exposed to ultraviolet rays from the sun we cannot convertvitamin D to its active form, and thus cannot make use of any of the calcium
that we have consumed in our food. Eventually we would suffer froma calcium deficiency and have weak bones.Luckily it takes only 10 to 20 minutesof exposure to sunlight a day to ensure sufficient vitamin D production.Exceptin extremely atmospheric conditions like very heavy smog or a sunless climate,most people are able to get enough exposure to the sun. Doctors recommend thatpeople who don't drink much milk take vitamin supplements and that everyonespend at least 10 minutes in the sun every day.
32. Why is vitamin D important?
33. In the United States, what is the main source of vitamin D formost people? 34. What is necessary to convert vitamin D to its active form?
35. According to the speaker what might happen to the people who stayindoors all the time? 32．C
【解题思路】
1．四项均以it开头。两项后接helps，一项接keeps，一项接prevents。 2．三项与人体健康有关，其中两项直接提及body。
结论：本题可能考查某种因素对人体健康的影响。应先辨别it的指代内容。 【解析】题干问为什么维生素D非常重要，我们可以在短文开头处找到线索。讲话者提到：“Now I want todiscuss Vitamin D which is important to human nutrition because it helps thebody to absorb calcium．(现在我要讲的是对人体健康很重要的维生素D，因为它能够帮助人体吸收钙。)”故选c。 33．B
【解题思路】四项均为食物：橙子、牛奶、西红柿、面包。本题可能问哪种食物中含有较多的维生素D，对于短文中提到的食物要多加留意。
【解析】题干问在美国什么是人们摄取维生素D的主要来源。短文中提到，在美国，维生素D被添加到牛奶这种大多数人的主要食物中。故选B。 34．B
【解题思路】四项均为名词短语，分别为：每天l0分钟的锻炼、紫外线、维生素补充剂、每天8小时的睡眠。需留意文中是否有对以上信息进行详细分析的地方。
【解析】短文中两次提到ultraviolet rays。第一次：“when ultraviolet raysfrom the sun strike the vitamin D in our skin．thesunlight converts vitamin D to its active form(当阳光中的紫外线照到我们皮肤中的维生素D的时候，阳光就将维生素D转化为其活跃形式)”；第二次：“If our bodies are not exposed toultraviolet rays from the sun we cannot convert vitamin D to its active form(如果我们的身体不与阳光中的紫外线接触的话，我们就无法将维生素D转化为其活跃形式)”。文中重复叙述的内容大都是重要内容，也往往是考点。故选B。 35．A
【解题思路】
免费？宅在家学英语？怎么报名？
1．三项以they开头，一项以their开头。 2．四项均含有may。
3．三项都是不好的结果：become weak、develop wrinkles、become allergic。lose weight则对一部分人来说是不好的结果。
结论：整篇短文都在谈维生素D这种营养元素，因此本题可能是问当人体缺乏这种元素时可能会有什么不好的结果。 【解析】实际问题与预测略有偏差，题干问：如果人们长期待在室内的话会怎样。文中提到：如果我们的身体不与阳光中的紫外线接触的话，我们就无法将维生素D转化为其活跃形式，也就无法利用我们从食物中所摄入的钙，最终将会导致钙缺乏和骨质疏松。故选A。根据之前的预测，我们一般会将听音重点放在不良结果上，因此即使稍有出入应该也能答对此题。 【听力原文】Section C
Women still have a complex and contradictory relationship withtheir own image according to a poll that found 25 percent of those [36]questioned would rather win the \
And although 75 percent of women E38J surveyed said they would bewilling to [39] shave their heads to save the life of a stranger; more than a [40]quarter of those taking part admitted they would make their best friend fat forlife, if it meant they could be thin.
As for that age-old [41] dilemma of whether to marry for wealth orlooks, half of the 18- to 24-year-olds questioned said they would marry an uglyman if he were a E [42] multimillionaire.
The poll for U.S. television network Oxygen, which is [43]targeted at young women, also found that [44]88 percent of 18- to 34-year-oldwomen would happily give up their cell phone, jewelry and makeup to keep afriendship.
\her personal image with what she values in herlife,\said Dr. Jenn Berman, psychotherapist and judge of the upcoming newOxygen series \
\shown in several results, [46] women today are a complexcombination of altruistic and materialistic,vain and insecure．loyal and self-serving．This survey highlights the dichotomy(对分；二分法)inall of US．”Berman said． More than 2．000 women aged 18-34 were interviewed for thepoll． 36．question询问 40．quarter四分之一
37．Nobel诺贝尔41．dilemma窘境，进退两难的困境 38．survey调查42．multimillionaire千万富翁，富豪 39．shave刮，剃43．target瞄准，以??为目标
“成千上万人疯狂下载。。。。。。
免费？宅在家学英语？怎么报名？
更多价值连城的绝密英语学习资料， 洛基内部秘密英语，技巧，策略
请在 网上 申请报名”