鼻咽癌原发灶的早期症状是() A.鼻衄 B.听力减退 C.颈部淋巴结肿大 D.颈部疼

题型:单项选择题 A型题

问题:

鼻咽癌原发灶的早期症状是()

A.鼻衄

B.听力减退

C.颈部淋巴结肿大

D.颈部疼痛

E.头痛

考点:肿瘤放射治疗技术(主管技师)头颈部肿瘤头颈部肿瘤题库
题型:单项选择题 A型题

三个连续奇数,若中间一个为n,则它们的积是[ ]

A.6n3-6n

B.4n3-4n

C.n3-4n

D.n3-n

题型:单项选择题 A型题

化工生产中常常用到“三酸两碱”,“三酸”指硝酸、硫酸和盐酸,“两碱”指烧碱和纯碱.

(1)从物质的分类角度看,不恰当的一种物质是______.

(2)“三酸”与“两碱”之间均可反应,酸过量时若用化学方程式表示有六个,若用离子方程式表示却只有两个,请写出这两个离子方程式______、______.

(3)“三酸”常用于溶解金属和金属氧化物.写出金属铝和它的氧化物在常温时分别溶于足量稀硫酸的离子方程式______、______.

题型:单项选择题 A型题

下列四个形位公差特征项目中公差带形状与径向全跳动公差带形状相同的那个公差项目是.

A、圆度

B、圆柱度

C、同轴度

D、位置度

题型:单项选择题 A型题

厚壁,内壁不甚规则,多有明显液平,周围有多量渗出性病灶()
厚壁或洞壁厚薄不一,内壁不规则呈结节状,多无液面,外缘分叶可有肺门淋巴结肿大()
厚壁或薄壁,内壁光滑,可有钙化,有小液面,空洞附近有卫星灶()

A.癌性空洞

B.结核空洞

C.肺脓肿

D.肺囊肿

E.囊状支气管扩张

题型:单项选择题 A型题

第二节:语法填空 (共10小题;每小题1分,满分10分)

Childhood is a time ­­(41) there are few responsibilities to make life difficult. If a child has good parents, he is fed, looked after and loved, whatever he may do. (42) is impossible that he will ever again in his life (43) (give) so much without having to do anything in return. But a child has his pains; he is not so free to do (44) he wishes to; he is continually being told not to do something, or being punished for what he has done wrong.

When the child has become a young man and this young man starts to earn his own living, he can no longer expect (45) to pay for his food, his clothes, and his room, but has to work on his own if he wants to live (46) (comfort). If he spends most of his time (47) (play) about in the way that he used to as a child, he will go (48) (hunger). If, (49), he works hard, keeps out of trouble and has good health, he can have the great happiness of building up for himself his own position in (50) (social).

更多题库