基礎(chǔ)弱怎么備考雅思
基礎(chǔ)弱怎么辦? 怎樣備考雅思，今天小編給大家?guī)砘A(chǔ)弱怎么備考雅思，希望能夠幫助到大家，下面小編就和大家分享，來欣賞一下吧。
基礎(chǔ)弱怎么備考雅思
聽力
從最基礎(chǔ)的說起，聽力詞匯不得不背，我當(dāng)時刷了至少5遍的語料庫，什么叫真正記住一個單詞?那就是聽到這單詞的發(fā)音，你能寫出來并知道它的意思。所以千萬別偷懶，一定要有詞匯量。對待一個聽力單詞，做到一聽到發(fā)音，快速反應(yīng)意思和拼寫。在記住聽力詞匯的同時，還有一個致命的關(guān)鍵就是同義替換。你要把這些詞匯，特別是名詞、形容詞的同義替換記住，說到底，聽力考的就是一個同義替換。
口語
口語就是要準(zhǔn)備所有的topic的，畢竟我們對于英語來說是個外國人，但是好在我們有所有的話題卡，可以事先準(zhǔn)備。至于訓(xùn)練方法，我覺得口語，肯定是需要你流利地表達(dá)自己的想法，所以練習(xí)是一定不能缺少的。建議找一個陪你練習(xí)的小烤鴨，可以安排在晚上，大家都有空，進(jìn)行視頻或是語音通話，進(jìn)行一輪一輪的你問我答，這樣有利于發(fā)現(xiàn)自己的發(fā)音問題和句子停頓錯誤。還可以提高自己對問題的反應(yīng)靈敏度。
閱讀
閱讀方面，中國考生的閱讀能力都是杠杠的。其實這也是因為，閱讀題是我們從小學(xué)習(xí)英語中就反復(fù)練習(xí)的題目，我們最不怵，也最不相信自己做不好。其實我覺得想要提高閱讀就是把單詞量提高的問題，如果想要沖擊閱讀的高分，應(yīng)該把長難句也理順，需要對文章培養(yǎng)一定的感覺，這種感覺可以從平常的每日閱讀習(xí)慣中培養(yǎng)出來。想提醒大家的是，平時訓(xùn)練的時候在保證正確率的基礎(chǔ)上提高自己的做題速度。在考試的時候，我是沒有全部做完，但是做完的那些的正確率一定是很高的，如果真碰到時間來不及的，一定是先做填空題，選擇題可以猜。
寫作
關(guān)于寫作，我想強(qiáng)調(diào)的兩點是，寫作=邏輯思路+素材，寫作的思路很重要。對大作文來講，文章的結(jié)構(gòu)是總分總的比較多，一般開頭一段，中間兩段或者三段，最后一段。開頭一段都是改寫題目，不同的題型(argumentation/report/discuss類)會有不同的思路，但是對于每一個段落，一定是開頭一句是主題句(就是接下來這段你要講什么)，也是按照總分的結(jié)構(gòu)。所以如果你想湊字?jǐn)?shù)，也可以在每段的最后再點一下前面的主題句，但是一定是轉(zhuǎn)換一下句子結(jié)構(gòu)的哈。最后一段總結(jié)的就是把你的觀點再換一種方法進(jìn)行闡述一下即可。
從小作文來看，小作文是比較死板的。積累各種說明文的上升下降，劇變啥的表達(dá)詞匯和句型。在清楚寫作骨骼的前提下，再來補充血肉和靈魂，然后積累范文里面的好句子。有了骨架，寫作材料就是血和肉，你的主題思想就是寫作思路就是你整篇文章的靈魂，三者缺一不可。
關(guān)于寫作的訓(xùn)練，想說的話就是：一定要練習(xí)!可以找一個伙伴互相監(jiān)督，互相批改，在嚴(yán)格的時間內(nèi)完成，然后兩個人進(jìn)行討論修改，再寫，再改。也不需要套模板，明白了寫作模式，有了框架，再加上題目的寫作思路，有了靈魂，再加上你的詞句，有了血肉，就變成了你自己的模板。
復(fù)習(xí)時間安排
復(fù)習(xí)時推薦一天的時間合理分配到聽力、閱讀、口語和寫作四項上。分配的時間是2小時閱讀、2.5小時聽力、1小時的口語和1.5小時的寫作。最后，祝大家考到理想的成績!
雅思閱讀全真練習(xí)系列：Time to cool it
Time to cool it
1 REFRIGERATORS are the epitome of clunky technology: solid, reliable and just a little bit dull. They have not changed much over the past century, but then they have not needed to. They are based on a robust and effective idea--draw heat from the thing you want to cool by evaporating a liquid next to it, and then dump that heat by pumping the vapour elsewhere and condensing it. This method of pumping heat from one place to another served mankind well when refrigerators' main jobs were preserving food and, as air conditioners, cooling buildings. Today's high-tech world, however, demands high-tech refrigeration. Heat pumps are no longer up to the job. The search is on for something to replace them.
2 One set of candidates are known as paraelectric materials. These act like batteries when they undergo a temperature change: attach electrodes to them and they generate a current. This effect is used in infra-red cameras. An array of tiny pieces of paraelectric material can sense the heat radiated by, for example, a person, and the pattern of the array's electrical outputs can then be used to construct an image. But until recently no one had bothered much with the inverse of this process. That inverse exists, however. Apply an appropriate current to a paraelectric material and it will cool down.
3 Someone who is looking at this inverse effect is Alex Mischenko, of Cambridge University. Using commercially available paraelectric film, he and his colleagues have generated temperature drops five times bigger than any previously recorded. That may be enough to change the phenomenon from a laboratory curiosity to something with commercial applications.
4 As to what those applications might be, Dr Mischenko is still a little hazy. He has, nevertheless, set up a company to pursue them. He foresees putting his discovery to use in more efficient domestic fridges and air conditioners. The real money, though, may be in cooling computers.
5 Gadgets containing microprocessors have been getting hotter for a long time. One consequence of Moore's Law, which describes the doubling of the number of transistors on a chip every 18 months, is that the amount of heat produced doubles as well. In fact, it more than doubles, because besides increasing in number, the components are getting faster. Heat is released every time a logical operation is performed inside a microprocessor, so the faster the processor is, the more heat it generates. Doubling the frequency quadruples the heat output. And the frequency has doubled a lot. The first Pentium chips sold by Dr Moore's company, Intel, in 1993, ran at 60m cycles a second. The Pentium 4--the last "single-core" desktop processor--clocked up 3.2 billion cycles a second.
6 Disposing of this heat is a big obstruction to further miniaturisation and higher speeds. The innards of a desktop computer commonly hit 80℃. At 85℃, they stop working. Tweaking the processor's heat sinks (copper or aluminium boxes designed to radiate heat away) has reached its limit. So has tweaking the fans that circulate air over those heat sinks. And the idea of shifting from single-core processors to systems that divided processing power between first two, and then four, subunits, in order to spread the thermal load, also seems to have the end of the road in sight.
7 One way out of this may be a second curious physical phenomenon, the thermoelectric effect. Like paraelectric materials, this generates electricity from a heat source and produces cooling from an electrical source. Unlike paraelectrics, a significant body of researchers is already working on it.
8 The trick to a good thermoelectric material is a crystal structure in which electrons can flow freely, but the path of phonons--heat-carrying vibrations that are larger than electrons--is constantly interrupted. In practice, this trick is hard to pull off, and thermoelectric materials are thus less efficient than paraelectric ones (or, at least, than those examined by Dr Mischenko). Nevertheless, Rama Venkatasubramanian, of Nextreme Thermal Solutions in North Carolina, claims to have made thermoelectric refrigerators that can sit on the back of computer chips and cool hotspots by 10℃. Ali Shakouri, of the University of California, Santa Cruz, says his are even smaller--so small that they can go inside the chip.
9 The last word in computer cooling, though, may go to a system even less techy than a heat pump--a miniature version of a car radiator. Last year Apple launched a personal computer that is cooled by liquid that is pumped through little channels in the processor, and thence to a radiator, where it gives up its heat to the atmosphere. To improve on this, IBM's research laboratory in Zurich is experimenting with tiny jets that stir the liquid up and thus make sure all of it eventually touches the outside of the channel--the part where the heat exchange takes place. In the future, therefore, a combination of microchannels and either thermoelectrics or paraelectrics might cool computers. The old, as it were, hand in hand with the new.
(830 words)
Questions 1-5 Complete each of the following statements with the scientist or company name from the box below.
Write the appropriate letters A-F in boxes 1-5 on your answer sheet.
A. Apple
B. IBM
C. Intel
D. Alex Mischenko
E. Ali Shakouri
F. Rama Venkatasubramanian
1. ...and his research group use paraelectric film available from the market to produce cooling.
2. ...sold microprocessors running at 60m cycles a second in 1993.
3. ...says that he has made refrigerators which can cool the hotspots of computer chips by 10℃.
4. ...claims to have made a refrigerator small enough to be built into a computer chip.
5. ...attempts to produce better cooling in personal computers by stirring up liquid with tiny jets to make sure maximum heat exchange.
Questions 6-9 Do the following statements agree with the information given in the reading passage?
In boxes 6-9 on your answer sheet write
TRUE if the statement is true according to the passage
FALSE if the statement is false according to the passage
NOT GIVEN if the information is not given in the passage
6. Paraelectric materials can generate a current when electrodes are attached to them.
7. Dr. Mischenko has successfully applied his laboratory discovery to manufacturing more efficient referigerators.
8. Doubling the frequency of logical operations inside a microprocessor doubles the heat output.
9. IBM will achieve better computer cooling by combining microchannels with paraelectrics.
Question 10 Choose the appropriate letters A-D and write them in box 10 on your answer sheet.
10. Which method of disposing heat in computers may have a bright prospect?
A. Tweaking the processors?heat sinks.
B. Tweaking the fans that circulate air over the processor抯 heat sinks.
C. Shifting from single-core processors to systems of subunits.
D. None of the above.
Questions 11-14 Complete the notes below.
Choose one suitable word from the Reading Passage above for each answer.
Write your answers in boxes 11-14 on your answer sheet.
Traditional refrigerators use...11...pumps to drop temperature. At present, scientists are searching for other methods to produce refrigeration, especially in computer microprocessors....12...materials have been tried to generate temperature drops five times bigger than any previously recorded. ...13...effect has also been adopted by many researchers to cool hotspots in computers. A miniature version of a car ...14... may also be a system to realize ideal computer cooling in the future.
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★ 英語口語