下列物态变化中，属于放热过程的是（ ） A．冰变成水 B．铁块变成铁水 C．水蒸

病历摘要：熟悉药品结构类型、特点及与分析方法的相互关系

以下有关苯乙胺类药物的描述哪一项是错的？（）

A.分子中具有邻苯二酚结构，易氧化变色

B.多数具有手性碳原子，有旋光性，可供含量测定

C.酮体为本类药物的主要杂质

D.与甲醛-硫酸反应，形成具有醌式结构的有色化合物，可供区分具不同取代基的同类药物

E.与三氯化铁试液不起反应

Let’s pretend we’re sailing down the Rhine River on a pleasure boat. The Rhine is one of the main waterways of Germany, and the river traffic is heavy. It’s interesting to watch the many boats going up and down the river. But the river traffic is not nearly so interesting as the beautiful scenery along the banks and hillsides. The boat is passing many old castles. We can see people working in the vineyards (葡萄园) on the hillsides. There are vineyards as far as the eye can see. Wine from the Rhine Valley is famous all over the world.

Suddenly our boat slows down and begins to turn a little. We are coming to a sharp bend in the river. On our right we can see a rocky cliff over 400 feet high. At first it looks quite ordinary, but there is nothing ordinary about it. There are many stories, poems, and songs about the cliff. We are looking at the Lorelei. Then someone on the boat begins to sing in German, the song of the Lorelei. It is a song about a beautiful siren (妖妇) who has lured(引诱) many sailors to their deaths.

The siren is supposed to sit on the rock combing her long golden hair and singing. The sailors who hear her forget to steer（掌舵）, and the current of river hurls (掀翻) their boats on the rocks and dashes（猛撞）them to pieces.

Soon other people on the boat begin to sing. The beautiful song adds to special magic to the moment, and you begin to realize why so many people have made this trip down the Rhine to see the rock of the Lorelei.

小题1:The most interesting thing to those who are sailing down the Rhine River on a pleasure boat is     .  

A．to watch many boats going up and down the river

B．to see the beautiful scene along the banks and hillsides

C．to hear a song about beautiful siren

D．to see a beautiful siren combing her golden hair小题2: Which of the following is famous all over the world?

A．The Rhine River.

B．The River Traffic.

C．Wine from the Rhine Valley.

D．The Lorelei.小题3:We can see a rocky cliff over 400 feet high     .

A．on our right when coming to a sharp bend

B．on the Rhine hillsides

C．from the Rhine Valley

D．on the boat小题4: The song of the Lorelei is about     .

A．The Rhine wine

B．a rocky cliff

C．the beautiful scenery along the Rhine River

D．a beautiful and dangerous siren

对于不明身份、询问敏感问题的客户，加油员应在辨明客户身份之后，再判明客户询问目的。

有关颈静脉怒张正确的是（）

A.正常人坐位或平卧时颈外静脉显露

B.颈静脉充盈在锁骨上缘至下颌角距离的下2／3以内

C.提示左心房压力升高

D.提示右心房压力升高

E.常见于肺水肿

女性，26岁，发冷、发热，轻度黄疸，脾肋下2cm，血红蛋白76g/L，白细胞12×10⁹／L，血小板150×10⁹/L，Coombs试验直接阳性，Ham试验阴性，诊断为（）

A.阵发性寒冷性血红蛋白尿

B.阵发性睡眠性血红蛋白尿

C.自身免疫性溶血性贫血

D.肝炎后合并继发性贫血

E.Evans综合征