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问题 多项选择题

下列哪些符合脑膜瘤表现（）

A.初期症状及体征不明显，以后逐渐出现颅内高压征及局部定位症状及体征

B.脑膜瘤起病慢、病程长，可达数年之久

C.颅内高压征的出现通常提示瘤体已较大或肿块阻塞了脑脊液通道

D.局部定位征象因肿瘤所在部位而异

E.脑膜瘤起源于蛛网膜细胞丛，与蛛网膜颗粒关系密切

答案

参考答案：A, B, C, D, E

单项选择题

Acting is such an over-crowded profession that the only advice that should be given to a young person thinking of going on the stage is "Don’’t!". But it is useless to try to discourage someone who feels that he must act, though the chances of his becoming famous are slim. The normal way to begin is to go to a drama school. Usually only students who show promise and talent are accepted, and the course lasts two years. Then the young actor or actress takes up work with a repertory company, usually as an assistant stage manager. This means doing everything that there is to do in the theatre: painting scenery, looking after the furniture, taking care of the costumes, and even acting in very small parts. It is very hard work indeed. The hours are long and the salary is tiny. But young actors with the stage in their blood are happy, waiting for the chances of working with a better company, or perhaps in films or television.Of course, some people have unusual chances which lead to fame and success without this long and dull training. Connie Pratt, for example, was just an ordinary girl working in a bicycle factory. A film producer happened to catch sight of her one morning waiting at a bus stop, as he drove past in his big car. He told the driver to stop, and he got out to speak to the girl. He asked her if she would like to go to the film studio to do a test, and at first she thought he was joking. Then she got angry and said she would call the police. It took the producer twenty minutes to tell Connie that he was serious. Then an appointment was made for her to go to the studio the next day. The test was successful. They gave her some necessary lessons and within a few weeks she was playing the leading part opposite one of the most famous actors of the day. Of course, she was given a more dramatic name, which is now world-famous. But chances like this happen once in a blue moon!

An assistant stage manager’’s job is difficult because he has to________.

A．do all kinds of stage work

B．work for long hours

C．wait for a better company

D．act well
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填空题

没有_________，自然界的碳、氧相对平衡难以维持。
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