阅读岑参的《山房春事》，回答问题。
梁园日暮乱飞鸦，极目萧条三两家。
庭树不知人去尽，春来还发旧时花。
注：梁园，西汉梁孝王刘武建，方圆三百多里，是冶游宴乐的繁盛所在。
请简析本诗构思之妙。
一、二两句先从听觉写梁园的繁盛不再。仰望空中乱鸦翻飞，平视前方一片萧条，粱的衰败似已写，于是作者在三、四句以别开生面的乐景来写哀情，尤其是不从自己深知物是人非而是从“庭树不知”角度表达，相反相成，梁园的景色愈见萧条，诗人的吊古之情也愈见伤痛了。
可以从描写的角度（如一二句听觉）入手，也可以从今昔对比，情与景的关系（三四句庭树依旧，物是人非之叹，课文中有“废池乔木，犹厌言兵”之类的移情诗句。
| 阅读理解。 | ||||
| Suppose you work in a big company (公司) and find English very important for your job because you often do something with foreign businessmen. Now you are looking for a place where you can improve (提高) your English, especially your spoken English. Here are some advertisements (广告) about English language training from newspapers. You may find the information you need.
| ||||
| 1. You work from 9:00 am t0 4:30 pm on weekdays; which school will you choose? | ||||
| A. Global English Centre and Modern Language School. B. Global English Centre and the 21st Century. English Training Centre. C. Modern Language School and the 21st Century English Training Centre. D. The 21st Century English Training Centre and the International House of English. | ||||
| 2. The 21st Century English Training Centre is different from the other three schools in that ______. | ||||
| A. its teaching quality (质量) is better B. it is the nearest to the city centre C. its courses are more advanced (高级的) D. it needs an entrance examination | ||||
| 3. You will probably prefer to go to the International House of English because it ______. | ||||
| A. offers free sightseeing and social activities B. has a special course in spoken English C. costs less than the other schools D. has native English teachers | ||||
| 4. If you take the evening programme at the International House of English, you will pay about ______ yuan. | ||||
| A. 60 B. 240 C. 720 D. 1000 | ||||
| 5. You can walk there if you live near the city centre and you want to know more about ______. | ||||
| A. Global English Centre B. Modern Language School C. The 21st Century English Training Centre D. The International House of English |