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问题 单项选择题

早期乳腺癌保乳术后 * * 放疗（）。

A.会影响 * * 的美观，全乳剂量不宜超过40Gy

B.会导致放射性肺炎，最好以电子线全程照射

C.肿瘤小于2cm、切除完全、腋窝淋巴结无转移时无须进行

D.瘤床补量照射可提高局部控制率

E.因为局部复发率高，采用改良根治术更可靠

答案

参考答案：D

单项选择题

Recent scientific studies have proven that ulcers are caused, at least in part, by the heliobacter bacterium. Dr. Redding has hypothesized that a natural way to prevent and cure ulcers is to eat large amounts of raw broccoli, which contains potent organic compounds that are beneficial to gastric health.（）

All of the following statements support Dr. Redding’s hypothesis, EXCEPT:A. It has been shown that people who consume raw broccoli on a regular basis have a 65 percent lower chance of developing ulcers than do the general population.

B. One of the organic compounds found in broccoli has been shown to have an antibiotic effect on the heliobacter bacterium.

C. Dr. Redding conducted a study in which groups of patients suffering from ulcers either ate large quantities of broccoli or ate a diet that included no vegetables; several of the patients who ate the large quantities of broccoli showed marked improvement in their conditions.

D. Broccoli is one of the most potent dietary sources of antioxidants, the organic compounds shown to combat the free radicals that are thought to cause cancer.

E. Test animals with chemically induced ulcers showed some signs of improvement when raw broccoli was incorporated into their diets.
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单项选择题

（）提出女子在政治上与男子完全平等的观点。

A、巴库斯

B、柏拉图

C、奥尔弗斯
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