[外语类试卷]专业英语四级(完形填空)模拟试卷141及答案与解析.doc
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1、专业英语四级(完形填空)模拟试卷 141及答案与解析 一、 PART III CLOZE (15 MIN) Directions: There are 20 blanks in the following passage. Decide which of the choices given below would best complete the passage if inserted in the corresponding blanks. 0 Sugarless yoghurt could help beat bad breath, tooth decay and gum disease
2、, say scientists. Japanese researchers found eating the yoghurt(1)_ levels of hydrogen sulphidea major(2)_ of bad breathin 80% of volunteers. The keys are active bacteria in yoghurt. (3)_ were presented at a meeting of the International Association for Dental Research. A total of 24 volunteers who(4
3、)_ in the study were given strict instructions(5)_ oral hygiene, diet and medication intake. They spent two weeks (6)_ yoghurts and similar foods, like cheese. Researchers then(7)_ bacteria levels and odour-causing(8)_, including hydrogen sulphide. The volunteers then ate 90 grams of yoghurt a day f
4、or six weeks. At the end of the study, researchers took(9)_ again. They found hydrogen sulphide levels decreased in 80% of participants. Dr. Nigel Carter,(10)_ executive of the British Dental Health Foundation, said: “The foundation has long been(11)_ peoples attention to sugar-free yoghurts as a(12
5、)_ snack, so it is pleasing to hear that it may have oral health benefits we were previously(13)_ of. “Although this research is still in the early stages there is no(14)_ that sugar-free yoghurts provide a much healthier(15)_ to sweets and chocolate, and we would encourage snackers to incorporate t
6、hem into their(16)_.“ However, Dr. Carter stressed that the best way to beat bad breath was by(17)_ a good oral health routine. This(18)_ brushing twice-a-day with fluoride(氟化物 )toothpaste, cutting(19)_ on the frequency of sugary snacks and drinks and visiting a dentist(20)_. 1 (1) ( A) increased (
7、B) disturbed ( C) averaged ( D) reduced 2 (2) ( A) problem ( B) cause ( C) result ( D) resource 3 (3) ( A) Details ( B) Commodities ( C) Factors ( D) Exhibits 4 (4) ( A) devoted ( B) entered ( C) absorbed ( D) participated 5 (5) ( A) by ( B) of ( C) to ( D) on 6 (6) ( A) avoiding ( B) eating ( C) sm
8、elling ( D) drinking 7 (7) ( A) estimated ( B) compared ( C) measured ( D) counted 8 (8) ( A) combinations ( B) compounds ( C) components ( D) complements 9 (9) ( A) advantages ( B) turns ( C) actions ( D) samples 10 (10) ( A) general ( B) superior ( C) major ( D) chief 11 (11) ( A) drawing ( B) pay
9、ing ( C) posing ( D) dragging 12 (12) ( A) fashionable ( B) healthy ( C) potential ( D) risky 13 (13) ( A) cautious ( B) guilty ( C) unaware ( D) exhausted 14 (14) ( A) suspect ( B) promise ( C) access ( D) doubt 15 (15) ( A) selection ( B) option ( C) alternative ( D) substitute 16 (16) ( A) schedu
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