人的红细胞中有一种含铁的蛋白质叫_________，当它与氧气结合后，血液的颜色

Every year there is the Spring Festival in China. Usually it is in January or February. It’s the most important festival in China. So before it comes, everyone has to prepare things. They buy beef, pork, chicken, fruit and many other things. And they often make a special kind of food called “dumplings”. It means “come together” in Chinese. On the day before the festival, parents buy new clothes for their children and children also buy presents for their parents. On the festival eve, all the family members come back to their home. This is a happy moment. They sing, dance and play cards. When they enjoy the meal, they give each other the best wishes for the coming year.

They all have a good time.

根据短文内容，选择正确答案。（5分）

小题1:Which is the most important festival in China?          .

A．Mid-autumn Festival

B．Spring Festival

C．Children’s Day

D．May Day小题2:The Chinese usually have their Spring Festival in         .

A．January or February

B．February or March

C．September or October

D．December or January小题3: What’s the special kind of food for the Spring Festival in China?  .

A．Pork

B．Fish

C．Dumplings

D．Noodles小题4: The food “dumplings” mean “          ”.

A．be delicious

B．be hungry

C．come together

D．come back小题5: When they are having dinner on the festival eve, the Chinese       

A．sing, dance and play cards

B．buy each other presents

C．never drinks

D．give each other the best wishes

患者，男性，25岁、左腰部刺伤入院。Bp70/50mmHg，伤口持续溢出淡红包液体，左上腹触痛，但无肌紧张及反跳痛。该病例处理原则（）。

A.非手术治疗

B.再次出现休克时手术探查

C.出现腹膜炎表现时探查

D.立即手术探查

E.出现肉眼血尿时探查

结扎止血带时应做明显标记，并定时放松，放松间隔时间为（）

A.10～30min

B.30～60min

C.60～90min

D.90～120min

E.120～150min

雄黄的性状特征有

A．不规则的块状或粉末

B．全体呈深红色或橙红色

C．条痕浅橘红色

D．微有特异臭气，味淡

E．质脆，易碎

以下疾病中最常出现口腔损害的是

A．寻常型天疱疮

B．增殖型天疱疮

C．落叶型天疱疮

D．红斑型天疱疮

E．大疱性类天疱疮