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问题 多项选择题

数字成像较模拟成像的优势是（）。

A.可以进行高保真的存储

B.可以进行远距离的传输与调阅

C.可以进行图像后处理

D.空间分辨率高

E.密度分辨率高

答案

参考答案：A, B, C, E

解析：

与模拟成像相比，数字成像的不足是空间分辨率较模拟成像低，这也是很多DR厂商努力改进的参数，其他选项都是数字成像的优势。

单项选择题

与胃癌的组织学发生无关的是（）

A.胃腺颈部的干细胞过度增生

B.胃黏膜大肠型肠上皮化生

C.胃黏膜上皮鳞状上皮化生

D.胃黏膜腺体重度非典型增生

E.胃小凹底部的干细胞过度增生
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问答题

Suppose a foreign friend of yours has written to inquire about the possibility of making a seven-day visit in China. Write a reply to give him some information. The following should be included:
(1) The place you recommend for him to visit and the reasons ;
(2) The suggested route and the timetable of the visit;
(3) Some advice on how he should prepare for the visit;
(4) Your arrangement for his visit to Beijing.
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