阅读理解。

    The star of the Harry Potter films has become the youngest person to earn a place on the list of Britain's

richest people. Daniel Radcliffe has owned 14 million pounds, but he is only 17 now.

    Thanks to the ongoing Harry Potter films, Daniel Radcliffe would not have to worry about money for a

very long time. He is still at school but he will never have to work in future. Money has been pouring into

his company.

    The youngest woman on the list is the singer Joss Stone. The 19-year-old singer has collected a fortune

of about 6 million pounds.

1. Daniel Radcliffe is _____. [ ]

A. an actor

B. a student

C. an actor and student

D. a boss and student

2. Joss Stone is _____. [ ]

A. the richest person

B. the riches singer

C. the youngest singer

D. the youngest woman

3. The underlined part "on the list" means _____ in Chinese. [ ]

A. 在表格上

B. 在排名榜上

C. 在电影界

D. 在艺术界

光刻工艺的主要流程有哪几步？什么是光刻工艺的分辨率？从物理角度看，限制分辨率的因素是什么？最常用的曝光光源是什么？