阅读理解

    If you like shopping and you are crazy about fashion, London is a good place for you. In London you can buy not only the most expensive clothes, but also beautiful clothes which are inexpensive.

    Many of the world's most famous fashion designers have their own shops in London. And every year in February and September, there is an important fashion event. It is called London Fashion Week and people all over the world come here and enjoy England's wonderful new clothes. Usually the clothes are sold at a high price. The clothes are always in style. In the 1960s, a fashion designer Mary Quant invented the miniskirt. It made her famous all around the world. Later, in the 1970s, came "punk" fashion.

    Outside London there are some shopping centres as well. In the shopping streets of most towns have a Market Day. On that day, some of the streets are filled with stalls selling food, flowers, dressess, hats & bags, and many other different things. The clothes there are always at a low price. Nearly everybody can afford them.

    巴金，原名李尧棠，字芾甘，笔名佩竿、余一、王文慧等，1904年出生于四川成都一个官僚地主家庭。1920年入成都外国语专门学校，1923年从封建家庭出走，就读于上海和南京的中学。1927年初赴法国留学，写成了处女作长篇小说《灭亡》，发表时使用巴金的笔名。1928年底回到上海，从事创作和翻译。从1929年到1937年中，他主要创作了代表作长篇小说《激流三部曲》中的《家》等作品，以其独特的风格和丰硕的创作令人瞩目，被鲁迅称为“一个有热情的有进步思想的作家，在屈指可数的好作家之列的作家”。

巴金原名____，被鲁迅称为____

有一种蛋白质由两条肽链构成，翻译成此蛋白质时共脱去126个水分子。在控制该蛋白质合成的基因中，脱氧核苷酸的个数最少是（   ）

在焦距为5厘米、10厘米或15厘米的凸透镜中选择一个放置于光具座的A点处，如图所示。
将蜡烛、光屏分置于光具座上透镜的两侧，调整透镜和光屏的中心大致与烛焰的中心在____ 高度。先后两次将蜡烛放置在距B点5厘米处，保持透镜在A点位置不变，移动光屏，可在光屏上得到大小不同的两个像。比较两次所成的像，当蜡烛置于光具座上____ 厘米刻度处时，所成的像较大；实验中所用透镜的焦距可能是____ 厘米。