21. It would be a violation. 那是違法的。

22. As long as accountability of the teacher to the student, or of the educational

institution to the student, or of the educational institution to the client, is a

consideration.

考慮到教師對學生，或教育機構(gòu)對學生，或教育機構(gòu)對客戶的責任。

23. Is China's agricultural sector a threat to the nation's rapid economic growth?

農(nóng)業(yè)會威脅國家經(jīng)濟快速增長嗎？

24. Science was instrumental in bringing about this theatrical revolution.

科學促進了這次劇場革命的到來。

25. So for example if you are in child care work and some of the children you are

looking after annoy you, you make a conscious effort to remain positive and not

snap at them because deep down you believe that this is a better emotional state to

be in than showing how irritated you are.

比如，如果你負責兒童保育工作，你所照看的一些孩子惹惱了你，你會有意識地

盡力保持良好的心態(tài)，避免嚴厲呵斥他們，因為你從心底里相信，保持這種積極的

情感狀態(tài)比對他們發(fā)火要好。

26. It is a steady down pour. 雨一直持續(xù)地下。

27. A must for all visitors to Detroit, “Motor City, USA”，is a visit to an automobile

factory.

凡是到底特律來的客人，一定會去參觀“美國汽車城”的汽車工廠

28. The Blackberry is many things: mobile phone, web browser, still camera, video

camera, personal organizer, calendar, note taker, email organizer and GPS

navigational system.

“黑莓”集多功能于一身：既是 GPS（全球衛(wèi)星定位系統(tǒng)）導航，又是移動電話、

網(wǎng)絡(luò)瀏覽器、相機、攝像機、個人電腦記事本、日歷、注意事項記錄本和電子郵件

管理器。

29. He is in the full conviction that real knowledge is the end product of a thorough

study of the history.

他深信，只有對歷史加以透徹研究，才能真正學到知識。

30. For 20 years we were passive witness to the deterioration of prices of our raw

materials and an excessive increase of the prices of manufactured goods.

過去 20 年，我們坐視原料價格下跌，而工業(yè)品價格暴漲。