Experts concluded that, this study shows a major deterioration in oral health between Roman times and modern England. By underlining the probable role of smoking, (9) _______ in determining the susceptibility to progressive periodontitis in modern populations, there is a real sign that the disease can be (10) _______.

　　A) severe B) avoided C) trend D) examined

　　E) especially F) result G) course H) justified

　　I) ancient J) signs K) evidence L) normal

　　M) determined N) greatly O) factors

　　答案：

　　1. K) evidence

　　2. F) result

　　3. O) factors

　　4. A) severe

　　5. D) examined

　　6. J) signs

　　7. I) ancient

　　8. N) greatly

　　9. E) especially

　　10. B) avoided

　　四級選詞填空練習題

　　科技類

　　While still relatively novel in the United States, so-called "green roofs" — urban rooftops covered with grasses, plants and other types of greenery — are becoming increasingly popular around the world.

　　The logic is obvious: Green roofs can help to cool down buildings and pull some carbon dioxide from the air and feed it back into plant (1)_______.

　　But the (2)_______ benefits of green roofs to busy office workers may also be substantial. Kate Lee and a group of colleagues found that (3)_______ an attention-demanding task with a 40-second "microbreak" — in which one simply looks at a computerized (4)_______ of a green roof — improved focus as well as subsequent performance on the task.

　　In the research, 150 students were asked to perform a demanding task called the Sustained Attention to Response Task (SART). In the task, respondents view a (5)_______ of individual numbers, between 1 and 9, on a computer screen. Each number flashes by very (6)_______ and the research subject has to press a particular key as fast as possible — unless, the number is 3. In that case, subjects have to catch themselves and not respond — which is difficult to do, given the habit built up of repeatedly and quickly (7)_______ the key.

　　In the current study, students had to (8)_______ the SART task not once, but twice. However, they received a 40-second "microbreak" in between the two trials. During that break, their computer screens flashed either to a digital image of a city building roof covered in (9)_______, or one covered with grass and flowers. Then, they completed the remainder of the SART trial.

　　Afterward, the students (10)_______ to the green roof scene not only reported that it felt more "restorative (恢復健康的)," they performed better on the task. In particular, they showed less fluctuation in response time, and made fewer errors

　　A) series B) clicking C) image

　　D) concrete E) interrupting F) fairly

　　G) growth H) total I) exposed J) complete

　　K) panic L) explained M) rapidly

　　N) relation O) psychological

　　答案：

　　1. G) growth

　　2. O) psychological

　　3. E) interrupting

　　4. C) image

　　5. A) series

　　6. M) rapidly

　　7. B) clicking

　　8. J) complete

　　9. D) concrete

　　10. I) exposed

　　Although progress has been made, equality between male and female professionals remains a critical issue.

　　According to a (1) _______ released by global recruitment specialist group Hays on Tuesday, women are less likely than their male co-workers to believe that pay equality and (2) _______ opportunities exist for both genders in the workplace.

　　Hays polled 521 professionals, 55 percent of whom were female. Only 7 percent of women aged 25 or under think there is (3) _______ inequality of pay. But as they progress in their career, that number (4) _______. About 29 percent of women aged between 26 and 40, and 35 percent of women aged 41 or above think there is gender inequality of pay.

　　In general, transport and distribution, mining and (5) _______, as well as professional services, drew the most negative answers among both male and female professionals (6) _______ equal pay.

　　But the (7) _______ of polled men think that the situation is not that bad, as only 13 percent of them think that equally capable men and women are not paid or (8) _______ equally.

　　"This suggests that most people in executive and (9) _______ management roles-the majority of whom are men-still fail to see any inequality when it comes to pay and career opportunities between the sexes. This makes it difficult to see how we will see any significant advancement in this area while the majority of people in senior roles do not (10) _______ it as an issue," said Christine Wright, managing director of Hays.

　　A) declines B) senior C) concerning

　　D) majority E) rewarded F) resources

　　G) advanced H) determining I) recognize

　　J) increases K) survey L) identity

　　M) equal N) totally O) gender

　　答案：

　　K) survey

　　M) equal

　　O) gender

　　J) increases

　　F) resources

　　C) concerning

　　D) majority

　　E) rewarded

　　B) senior

　　I) recognize