44. H) maintain

　　本空需要謂語，且前句所用為一般現(xiàn)在時(shí)，考慮到本句主語為復(fù)數(shù)scientists，因此本空需要?jiǎng)釉~原形。備選的有maintain(維持、 堅(jiān)稱)、persist(堅(jiān)持)和shock(震驚)。但persist為不及物動(dòng)詞，而本空后有賓語從句;shock意思不合適是且一般后面接人。因此只能選maintain。意為“有些科學(xué)家堅(jiān)稱……”。

　　45. L) recently

　　本空所在句不缺其它成分，本空需要副詞。備選的又frequently(頻繁地)和recently(最近)�？涨疤岬娇茖W(xué)家認(rèn)為氣候變化無規(guī)律，有些年冷、有些年熱(some years are cold, others warm)。本空所在的we have just had an unremarkable string of warm years應(yīng)當(dāng)是順著科學(xué)家的觀點(diǎn)而來，解釋我們現(xiàn)在所處的正好是偏熱的年份期。因此本空用recently強(qiáng)調(diào)當(dāng)下更佳。若選frequently表示 “我們頻繁處在偏熱的年份”，則與科學(xué)家所持的氣溫冷熱無規(guī)律交替的觀點(diǎn)不相符合。

　　段落匹配

　　46. Authors still published in printed versions will be considered important ones.

　　答案：C

　　解析：對應(yīng)C段末句。printed versions(紙質(zhì)版本)對應(yīng)hard copy(印刷版本)，be considered important ones(被認(rèn)為重要)對應(yīng)become the mark…to reckon(認(rèn)為是標(biāo)志)。

　　47. Some people are still in favor of printed books because of the sense of touch they can provide.

　　答案：N

　　解析：對應(yīng)N段第三句提到的tactile pleasure in books(書本的觸覺上的愉悅)。

　　48. The radio business has changed greatly and now attracts more listeners.

　　答案：J

　　解析：對應(yīng)J段最后兩句。changed greatly(巨大改變)對應(yīng)a very different business(相當(dāng)不同的行業(yè))，attracts more listeners(吸引更多聽眾)對應(yīng)enlarged their audience(擴(kuò)大受眾面)。

　　49. Contrary to many people’s prediction of its death, the film industry survived.

　　答案：H

　　解析：對應(yīng)H段第二句。many people’s prediction對應(yīng)widely predicted。

　　50. Remarkable changes have taken place in the book business.

　　答案：A

　　解析：這是對A段所描述的電子書在近幾年內(nèi)大幅增長的現(xiàn)象的概括。

　　51. Old technology sometimes continues to exist because of its reliability.

　　答案：L

　　解析：對應(yīng)L段第三句。continues to exist(繼續(xù)存在)對應(yīng)remain(保持)，reliability(可靠)對應(yīng)backup(支持、后盾)。

　　52. The increase of e-book sales will force the book business to make changes not seen for centuries.

　　答案：B

　　解析：對應(yīng)B段第三句。make changes(做出改變)對應(yīng)go through a transformation(經(jīng)歷轉(zhuǎn)變)，not seen for centuries是對該句后部分時(shí)間表達(dá)的概括。

　　53. A new technology is unlikely to take the place of an old one without a clear advantage.

　　答案：F

　　解析：對應(yīng)F段第一句。a clear advantage(明顯優(yōu)勢)歲對better, cheaper or both的概括。take the place of(代替)對應(yīng)replace(代替)。

　　54. Paperbacks of popular literature are more likely to be replaced by e-books.

　　答案：C

　　解析：完全對應(yīng)C段第二句。

　　55. A house with a fireplace has a stronger appeal to buyers.

　　答案：M

　　解析：對應(yīng)M段第三句。has a stronger appeal to buyers(對購買者有很強(qiáng)吸引力)對應(yīng)a powerful selling point(強(qiáng)勁賣點(diǎn))。