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

题型:多项选择题

问题:

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

考点:食品检验工考试初级食品检验工初级食品检验工题库
题型:多项选择题

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.

题型:多项选择题

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

题型:多项选择题

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

题型:多项选择题

下列物质中最难电离出H+的是(   )

A.CH3CH2OH

B.CH3COOH

C.H2O

D.C6H5OH

题型:多项选择题

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

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