紫外可见分光光度计的吸收池有（）两种材质 A.玻璃 B.石英 C.水晶 D.卤化钠

根据短文内容判断下列句子的正(T)误(F)。

     Mr Howe worked in an office. He studied (研究) the old things and sometimes bought some for

 himself. So he got a lot of money. Eight years ago, when he was sixty-five, he retired (退休). He needn't

  worry about food or clothes. He was busy before,but now he has enough time to rest. He loves playing

 ping-pong and spends most of his time on the game. He had never been ill until he had got a headache one

  day. He was taken to a hospital at once. The doctors looked him over carefully and did their best to save

 (救) him but he felt worse and worse. He made his son send for a witch (请巫婆来).  

     "Do the people in heaven (天堂) play ping-pong,madam?"asked Mr Howe.  

     "I'm sorry I don't know,sir. "answered the witch. "Let me go and ask about it for you. "

     That evening the witch came and said, "I've just been to heaven, Mr Howe. I've brought two pieces of

  news to you. One is good and the other is bad. "

     "Tell me the good news first, please. "

     "Most of the people in heaven play ping-pong," said the witch. "But you'll have a game there the day

 after tomorrow!"

( ) 1. Mr. Howe is seventy-three now.

(     ) 2. Mr. Howe has little money, so he is poor.

(     ) 3. As he rested very well all the time, Mr. Howe has never been ill.

(     ) 4. The doctors didn't do their best to save Mr. Howe, so he felt worse and worse.

(     ) 5. The bad news meant (意味着) Mr. Howe would die (死) in two days.

胡某，女，36岁。腹中积块，按之觉硬，痛处不移，面黯消瘦，体倦乏力，纳食减少，时有寒热，经闭不行，舌质青紫，脉弦滑。

治法宜选用（）

A.理气活血，通络消积

B.理气活血，祛瘀软坚

C.导滞通便，理气化痰

D.大补气血，活血化瘀

E.以上都不是

关于人格特征的描述，错误的是（）。

A.独特性与共同性

B.社会性与生物性

C.稳定性与可塑性

D.多变性

E.整体性

下列物质中最难电离出H⁺的是（   ）

A．CH₃CH₂OH

B．CH₃COOH

C．H₂O

D．C₆H₅OH

尖刀越尖越好，是为了增大压强，而枪托要宽而平，是为了减小压强。（   ）

A．正确

B．错误