Question

【題目】 Now, we know that if we do not get enough vitamins, we are at risk of developing a number of diseases. As a______, vitamin supplements（補(bǔ)品）， though expensive, are popular with people who worry that they are not getting enough vitamins. But medical experts have_______little proof（證據(jù)） that most supplements do anything to improve health or protect against disease.

In_______, medical experts warn that taking too many of some vitamins can be harmful. For example, too much vitamin E can ___ bleeding. People should discuss what vitamins they take with their doctors, as some vitamins can produce ______effects when mixed with medicine.

Experts, however, say that sometimes vitamins _____help prevent diseases. People who know ______lack a particular vitamin should take vitamin supplements. Some older adults, for example, may not_______enough vitamin Btwelve. This is_______, as people get older, the body loses its ability to take it from food. Also, people who spend much time inside may need some extra vitamin D as the skin makes this vitamin________sunlight.

Different vitamins are found in different ______. Vitamin A is found in fish liver oil. It is also in the yellow part of eggs. Sweet potatoes, carrots and other darkly coloured fruit and vegetables contain substances（物質(zhì)） that the body can_______into vitamin A. Vitamin B-twelve is found in green leaf________and other food, like fruit. Vitamin K can be________found in pork products.

For most people, a balanced diet can make sure enough of the vitamins our bodies________. So, it is important for us to eat a mixture of food every day to make sure that we get enough vitamins our bodies need.

【1】A.resultB.examC.traditionD.service

【2】A.foundB.madeC.caughtD.served

【3】A.cashB.factC.dangerD.colour

【4】A.chooseB.checkC.causeD.carry

【5】A.harmfulB.helpfulC.hopefulD.careful

【6】A.shouldB.willC.canD.must

【7】A.theyB.sheC.heD.it

【8】A.startB.changeC.haveD.think

【9】A.ifB.becauseC.sinceD.when

【10】A.inB.onC.atD.from

【11】A.placeB.foodC.styleD.form

【12】A.changeB.breakC.throwD.look

【13】A.noodlesB.milkC.vegetablesD.meat

【14】A.secretlyB.proudlyC.naturallyD.easily

【15】A.needB.spreadC.startD.leave

Answer 1

【答案】

【1】A

【2】A

【3】B

【4】C

【5】A

【6】C

【7】A

【8】C

【9】B

【10】D

【11】B

【12】A

【13】C

【14】D

【15】A

【解析】

本文是一篇說明文。主要講述了維生素對(duì)我們的身體有一定的好處，均衡的飲食可以讓我們補(bǔ)充各種身體所需的維生素，但是不聽醫(yī)生建議盲目補(bǔ)充維生素對(duì)身體會(huì)產(chǎn)生傷害。

1. 考查冠詞詞義辨析。因此，雖然維生素補(bǔ)充劑很貴，但在那些擔(dān)心自己得不到足夠維生素的人中間很受歡迎。As a result 意為結(jié)果，為固定短語。故選A。

2. 考查動(dòng)詞詞義辨析。句意：但是醫(yī)學(xué)專家?guī)缀鯖]有_______證據(jù)顯示大多數(shù)的補(bǔ)品能改善健康或者預(yù)防疾病。found發(fā)現(xiàn)；made制作；caught抓��；served服務(wù)。結(jié)合句意可知此處為醫(yī)學(xué)專家發(fā)現(xiàn)幾乎沒有證據(jù)證明補(bǔ)品有作用。故選A。

3. 考查名詞詞義辨析。句意：_______，醫(yī)學(xué)專家警告一些維生素吃太多對(duì)身體有害。cash現(xiàn)金；fact事實(shí)；danger危險(xiǎn)；colour顏色。結(jié)合句意可知此處表示“事實(shí)上”，in fact為固定短語。故選B。

4. 考查動(dòng)詞詞義辨析。句意：比如，太多維生素E能_______出血。choose選擇；check檢查；cause引起；carry搬運(yùn)。結(jié)合語境和聯(lián)系常識(shí)可知，太多維生素E會(huì)引起出血。故選C。

5. 考查形容詞詞義辨析。句意：人們應(yīng)該和醫(yī)生討論他們要補(bǔ)充的維生素，因?yàn)橐恍┚S生素和藥物混合使用時(shí)能產(chǎn)生________影響。harmful有害的；helpful有幫助的；hopeful有希望的；careful仔細(xì)的。根據(jù)前文“taking too many of some vitamins can be harmful”可知此處一些維生素會(huì)產(chǎn)生有害的影響。故選A。

6. 考查情態(tài)動(dòng)詞詞義辨析。句意：然而，專家說維生素有時(shí)_______幫助預(yù)防疾病。should應(yīng)該；will將；can能；must必須。結(jié)合語境可知此處在講述維生素能夠幫助預(yù)防疾病應(yīng)用情態(tài)動(dòng)詞can。故選C。

7. 考查代詞詞義辨析。句意：那些知道缺乏具體維生素的人應(yīng)該吃維他命補(bǔ)品。they他們；she她；he他；it它。分析句子結(jié)構(gòu)可知此處代詞指代句中people，所以應(yīng)用代詞they。故選A。

8. 考查動(dòng)詞詞義辨析。句意：比如，一些老人可能沒________足夠的維生素B12。start開始；change改變；have有；think認(rèn)為。根據(jù)后文老人失去吸收維生素B12的能力，可知此處指他們沒有足夠的維生素B12。故選C。

9. 考查從屬連詞詞義辨析。句意：這是________當(dāng)人們變老時(shí)，身體就失去了從食物中吸收維生素B12的能力。if如果；because因?yàn)椋?/span>since自從；when當(dāng)……時(shí)。結(jié)合語境可知此處在講述老人缺乏維生素B12的原因，所以用從屬連詞because。故選B。

10. 考查介詞詞義辨析。句意：同樣，長(zhǎng)期在室內(nèi)的人們也需要一些額外的維生素D，因?yàn)槠つw______陽光中制造這種維生素。in在……里；on在……上；at在；from從……。結(jié)合語境可知皮膚從陽光中制造維生素D。故選D。

11. 考查名詞詞義辨析。句意：不同的維生素在不同的_______中被發(fā)現(xiàn)。place地點(diǎn)；food食物；style風(fēng)格；form形式。結(jié)合后文所舉例子可知此處指在不同的食物中有不同的維生素。故選B。

12. 考查動(dòng)詞詞義辨析。句意：甘薯、胡蘿卜和其他的深色水果和蔬菜包含了身體能_______為維生素A的物質(zhì)。change改變；break打破；throw丟，扔；look看。change into表示“把……變成……”，為固定短語。故選A。

13. 考查名詞詞義辨析。句意：維生素B12在綠色葉子的______和其他食物中被發(fā)現(xiàn)。noodles面條；milk牛奶；vegetables蔬菜；meat肉。結(jié)合語境可知此處綠色葉子的蔬菜。故選C。

14. 考查副詞詞義辨析。句意：維生素K能在豬肉制品中_______被發(fā)現(xiàn)。secretly秘密地；proudly自豪地；naturally自然地，easily容易地。結(jié)合語境可知在豬肉制品中能容易地發(fā)現(xiàn)維生素K。故選D。

15. 考查動(dòng)詞詞義辨析。句意：對(duì)于大多數(shù)人來說，均衡的飲食能確保我們身體_______的維生素。need需要；spread傳播；start開始；leave離開。結(jié)合語境可知均衡的飲食能確保身體所需要的維生素。故選A。