不相隶属机关单位之间一般用（）行文. A.请示和批复 B.报告 C.通知 D.函

医学科研道德的根本原则是（）。

A.献身医学

B.造福人类

C.团结同道

D.合理保密

E.严谨治学

小题1:  Such as runny noses, sore throats, nothing quite like the common cold to make you feel miserable．But experts believe that there is no link between cold weather and catching colds． 小题2:Internal Medicine expert, Dr Meenakshi Jain of Max Hospital says, “One reason could be that people are likely to stay indoors, so the virus can spread easily．小题3: ”

The common cold is a viral infection that can be caused by any of up to 250 strains of virus, the most common group of which are the rhinovirus that hit the nose．

小题4:  “They are transmitted through the nose respiratory passages, by touch, and by contact with airborne particles that are created by sneezing or coughing,” says Dr Jain．

There is no cure for the common cold and antibiotics are of no help．However, there are some precautions which can help:

      小题5: In this case, you can protect your hands from getting germs．

Don’t touch your eyes, nose and mouth, which can limit your chances of infection．

Don’t share drinking glasses or utensils with anyone as this will prevent the spread of the virus．

Make sure to eat enough fruits to boost your immune system．

A．Also the virus thrives in humidity．

B．Drink lots of fluids to avoid dehydration．

C．They are responsible for anywhere between a third and half of all common colds．

D．Get enough sleep and you’ll certainly feel better． E．So why are we particularly vulnerable（脆弱的） this season？

F．Wash your hands regularly．

G．It’s winter and you have probably noticed germs are everywhere．

弥漫浸润型胃癌的声像图，下列哪一项描述是错误的（）

A.病变多呈低回声

B.病变多呈"火山口"征

C.胃壁五层结构消失

D.胃腔狭窄呈"假肾征"

E.胃壁显著增厚

在下图所示的树型文件系统中，方框表示目录，圆圈表示文件，"/" 表示路径中的分隔符，"/"在路径之首时表示根目录。图中， （10） 。

假设当前目录是D1，进程A以如下两种方式打开文件f1。

① fd1=open(″ （11） /f1″,o_RDONLY);

② fd1=open(″/D1/W1/f1″,o_RDONLY);

其中，方式①的工作效率比方式②的工作效率高，因为采用方式①的文件系统 （12） 。

（10）处填（）。

A．子目录W2中文件f2和子目录D2中文件f2是完全相同的

B．子目录W2中文件f2和子目录D2中文件f2是不相同的

C．子目录W2中文件f2和子目录D2中文件f2可能相同也可能不相同

D．树型文件系统中不允许出现相同名字的文件

在临床上，口腔与下列哪一经脉关系不甚紧密（）

A.手阳明大肠经

B.足太阴脾经

C.手太阴肺经

D.足少阴肾经

E.足厥阴肝经