问题 单项选择题 B1型题

癌和肉瘤的鉴别()。

A.PAS染色

B.Lillie亚铁染色法

C.磷钨酸苏木精(PTAH)染色法

D.schiff阿尔辛蓝地衣红染色法

E.Gomori银染色法

答案

参考答案:E

解析:癌和肉瘤的鉴别应用网状纤维染色,因此应选择答案E--Gomori银染色法。2.Ewing肉瘤和恶性淋巴瘤的鉴别选择PAS染色,Ewing肉瘤含有糖原,PAS染色呈阳性,恶性淋巴瘤不含糖原,PAS染色呈阴性。3.横纹肌肉瘤可用磷钨酸苏木精(PTAH)染色法明确诊断。4.恶性黑色素瘤的辅助诊断可选用Lillie亚铁染色法,着染黑色素颗粒。5.Schiff阿尔辛蓝地衣红染色法用于手术标本及胃肠道上皮黏液内镜活检组织染色,因此胃黏液癌可用此法辅助诊断。

听力题

阅读下面短文,根据以下要求:1)括号内汉语提示;2)该词首字母提示3;)上下文语境提示,在每个空格内填入一个适当的英语单词,使短文通顺,并将该词完整地写在右边相对应的横线上。所填单词要求拼写正确、形式符合英语表达习惯。

My parents plan to let me go abroad to study, but l don’ t                     

agree with them. I think my English is too          (有限)to   小题1:         

communicate with          .And l’ m still so young that        小题2:        

I’m afraid that it would be hard for me to          with       小题3:         

Some problems I’ll face .Besides, the c          will be       小题4:         

too much for my family.

_____,my parents think that it’s natural for me to             小题5:        

Study English well in an          (讲英语的/说英语的)country.  小题6:         

S          abroad at an early age will enable me to learn      小题7:        

to be          (独立).Then it will be easier for me to learn   小题8:         

advanced science and technology, ______will prepare me          小题9:        

for a brighter future.

I really don’t know _______I should obey my parents            小题10:         

or not. I need advice.

问答题