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问题 单项选择题

21岁，未婚，B超检查时发现右附件区有1个8cmX7cm×6cm囊实肿块，境界清晰，肛查肿物韧性，活动好，B超提示钙化点。本例最可能的诊断是（）

A.卵巢黏液性囊腺瘤

B.卵巢良性囊性畸胎瘤

C.卵巢子宫内膜异位囊肿

D.盆腔炎症性包块

E.阔韧带内肌瘤

答案

参考答案：B

阅读理解
假如你是一位导游，请根据下面游客的需求特点给他们从（A-G）中选择合适的旅游景点，其中有两项是多余的。
Beautiful waterfalls
Main features
Tips: Best time to go &Entry
(A).Detian Falls in Guangxi
The largest naturally formed falls in Southeast Asia
July-November
80 Yuan/person
(B).Hukou Waterfall in Shanxi
The second largest waterfall in China
April-May;
81yuan/person
(C).Jiulong Waterfalls in Yunnan
During rainy season, it is dyed red by the red earth it carries,
especially June and July;
10 Yuan/person
(D).Black Dragon Pool Waterfall in Tai Mount
Legend has it that the undersea dragon palace in East China Sea is connected with the pool, where dragons from the Sea can swim freely.
June-November
125 Yuan/person (Mar. - Oct.)
100 Yuan/person (Nov. - Feb.)
(E).Chishui Waterfall in Guizhou
It’s 76 meters high and 80 meters wide, an AAAA tourist attraction
July-October
40 Yuan/person
(F).Huangguoshu Waterfall in Guizhou
Was added to the Guinness book of world records as the world’s largest waterfall cluster.
summer and autumn, the rainy season，90 Yuan/person in peak season and 70 Yuan/person in off season
(G).Shiliang Waterfall in Zhejiang
There is a stone beam about seven meters long and 1/3 meter wide topping the waterfall, and the narrowest place is o­nly 1/6 meter wide.
60yuan
Opening hours 6:00-19:00
小题1:Anna wants to go somewhere famous in the world.
小题2:David is a student in Yunnan Province, he doesn’t have much money.
小题3:Mr. Green is a busy businessman, he’s now in Taizhou, the day after tomorrow he will have to go back to his company in Beijing.
小题4:Grandpa Li likes travelling in spring.
小题5:Aunt Mary lives in Shandong, she hates to go for a long way, she often feels car sick.
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单项选择题

下列关于神经兴奋传导的叙述，错误的是( )。

A．动作电位可沿细胞膜传导到整个细胞

B．传导的方式是通过产生局部电流来刺激未兴奋部位，使之也出现动作电位

C．动作电位的幅度随传导距离增加而衰减

D．传导速度与神经纤维的直径有关

E．传导速度与温度有关
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