问题 问答题 简答题

围堰的平面及立面布置?

答案

参考答案:

平面布置:

①上下游横向围堰的布置取决于主体工程的轮廓,基坑坡趾与主体工程轮廓之间的距离不应小于20~30m,基坑开挖边坡的大小与地质条件有关

②上下游横向围堰一般不与河床中心线垂直,平面布置常成梯形,当采用全段围堰法时,围堰多余主河道垂直

③当纵向围堰不作为永久建筑物的一部分时,基坑纵向坡趾离主体工程的距离一般不大于2.0m,如无此要求只需留0.4~0.6m就足够了

④应尽量利用有利地形,减小围堰的高度与长度,从而减少围堰的工程量

阅读理解

根据短文内容,从下框的A~F选项中选出能概括每一段主题的最佳选项。选项中有一项为多余项。

A.   Bollywood pays great attention to traditional values.

B.   Bollywood is lees famous than Hollywood, and yet it produces the most films in the world.

C.   Bollywood films are full of ideal things and free of daily worries.

D.   Bollywood is a decent refreshing replacement for those over-stimulating Hollywood films.

E.   Bollywood has gradually won its reputation on the world stage.

F.    Bollywood films are mostly comic romances with light-hearted incidental music.

Hollywood movies are regularly filled with sex and violence. They can be exciting films but sometimes all you want is a little light-hearted entertainment.

小题1:____    Have you heard of Bollywood? All singing, all dancing and unrealistic, it is the perfect alternative to normal Hollywood movies. Bollywood is the Indian film industry, based in Mumbai, formerly known as Bombay. Most Chinese school kids have probably never seen an Indian film. Yet Bollywood is the largest producer of films in the world. This year the Indian Filmgare Awards, Bollywood's Oscrs, turn 50 years old.

小题2:__     The typical Bollywood movie usually has the following ingredients: a cup of romance, a tea-spoon of comedy, a dash of international sight-seeing, served with a huge slice of singing and dancing. There will also be one brave hero, one beautiful heroine and one baddie. The result is a fun-filled musical.

小题3:__     There is never any mention of politics, poverty or war. The actors change clothes and locations within a single song. But the audience don't mind. To Indian movie lovers, especially the poor, such films are a gateway to heaven and the stars are their gods. The films take them to a magical world away from their everyday troubles. The films tell them the impossible is possible and that true love conquers all.

小题4:___    But, behind the beautiful scenes, Bollywood still emphasizes traditional family values. In most films, if two lovers want to break an arranged marriage, they can't just run away. They must win over their parents.

小题5:__    So if you're tired of all that Hollywood actions, check out the following Bollywood films. They will take you to a brighter, cheerier and more colourful world, where it's still cool to dance around a tree and sing a love song.

多项选择题