问题
单项选择题
肝癌的首选治疗方法是( )
A．手术治疗
B．全身化疗
C．中医中药治疗
D．生物治疗
E．肿瘤局部放射治疗
答案
参考答案：A
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肝癌的首选治疗方法是( )
A．手术治疗
B．全身化疗
C．中医中药治疗
D．生物治疗
E．肿瘤局部放射治疗
参考答案：A
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| In 1826, a Frenchman named Niepce needed pictures for his business. But he was not a good 1 . So he invented a simple camera. He put it in a window of his house and 2 a picture of his garden. That was the first photo. The next important date in the history of photography was in 1837. That year, Daguerre, another 3 , took a photo of his reading room. He used a new kind of camera 4 a different way. In his picture you could see 5 very clearly, even the smallest thing. This kind of photo was called a Daguerreotype. Soon, other people began 6 Daguerre's way. Travelers brought back wonderful photos from all over the world. People took pictures of famous buildings, cities and mountains. In about 1840, photography was 7 . The photographers could take pictures of people and moving things. That was not simple. The photographers had to carry a lot of films and other machines. But this did not 8 them, for example, some in the United States worked so hard. Mathew Brady was a famous American photographer. He took many pictures of great people. The pictures were 9 because they were very life-like. Photography also had become one kind of art 10 the end of the 19th century. Some photos were not just copies of the real world, they showed ideas and feelings, like other kinds of art. | |||
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