2019年大學英語四級完形填空試題指導（1）

A sunflower is a sunflower. A mobile phone is a mobile phone. But can you 47 the two to do something for your local 48 ?

It may well be possible. When you have finished with your mobile phone you will be able to 49 it in the garden or a plant pot and wait for it to flower.

50 , a biodegradable (生物可降解的)mobile phone was introduced by scientists. It is hoped that the new type of phone will encourage 51 to recycle.

Scientists have come up with a new material over the last five years. It looks like any other 52 and can be hard or soft. and able to change shape. Overtime it can also break down into the soil without giving out any toxic 53 . British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into waste, it 54 nitrates(硝酸鹽). These feed the seed and help the flower grow.

Engineers have designed a small 55 window to hold the seed. They have made sure it only grows when the phone is thrown away.

"We've only put sunflower seeds into the covers so far. But we are working with plant 56 to find out which flowers would perform best. Maybe we could put roses in next time," said one scientist.

[A] Recently [B] consumer [C] chemical [D] environment [E] combine

[F] transparent [G] buy [H] companion [I] experts [J] forms [K] bury

[L] paper [M] paper [N] plastic [O] Usually

47. E 該空應填入動詞原形，選項中只有E、G和K是動詞原形。文章前兩句點明兩者是截然不同的東西，這里用but一轉(zhuǎn)，講能不能把兩者結(jié)合起來，E最符合文章。

48. D 本題需通讀下文，對整篇文章有所了解才能得出答案。由下文的相關(guān)信息詞biodegradable (生物可降解的)，recycle(回收)等可知D最符合文意。

49. K 該名前半句講手機報廢，所以極可能是把廢棄的手機扔進或埋進花園，動詞原形的E. G. K中，K最符合文意。

50. A 分析空格所在句的句子結(jié)構(gòu)，空格處應充當狀語成分且需大寫，結(jié)合詞義，選項中A符合文意。

51. B 結(jié)合句意“這種新型手機有望激勵________進行回收利用”可推知此空應填入表示人的名詞，故B最符合文意。

52. N 前句提到科學家開發(fā)了一種新材料，接著談到這種新材料像其他________一樣容易塑形，這正是塑料的特性，故選N。

53. C 空格所在句意為“隨著時間的流逝，它也能分解到土壤里，而且不會釋放出任何有毒的__ ______”，分解多半與化學有關(guān)，所以空格處應填入chemicals(化學物質(zhì))。

54. J 該空需填入第三人稱單數(shù)的動詞形式，選項中只有J符合文意。

55. F 該空需填入一個形容詞，選項中只有F和O是形容詞，F(xiàn)(透明的)符合文意。因為只有透明的才方便工程師觀察，才有下面的make sure一說。

56. I 由句意“但我們(工程師)現(xiàn)在正和植物________合作…”可知，空格處應選表一類人的名詞，且用可數(shù)形式，B、I中I符合文意。

2019年下半年大學英語四六級筆試考試時間：12月14日，成績查詢時間：2020年2月，想及時掌握大學英語四六級考試成績查詢時間，可以 免費預約短信提醒，屆時會以短信形式及時通知您！

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