下列实验操作正确的是[ ] A. B. C. D.

题型:选择题

问题:

下列实验操作正确的是[ ]

A.

B.

C.

D.

考点:化学实验操作的注意事项
题型:选择题
完形填空。
     A French student went to London for his holiday. He thought,"I know  1  English. But I think people can
understand me."
    One day he went to a hotel and sat down at a  2 . He wanted to  3  a cup of tea and some eggs. Soon the
waiter came up to him and asked,"Can I help you?"
    "A cup of tea and..."He could not remember the  4  word for eggs. He looked  5  him, but nobody was
eating eggs. Then he saw  6  on the table next to him. There was a picture of  7  on its cover (封面). He  8  
the picture to the waiter."What is the English for this?"
    "A cock,"answered the waiter."What do you call a cock's wife?"he asked again."A hen.""And what do you
call a cock's children?""Chicks.""And what do you call chicks  9  they are born (出生)?" "Eggs."
    "Very well," said the French student happily. "Bring me two  10  and a cup of tea, please."And he sat down
with a smile on his face.
( )1. A. much       
( )2. A  table     
( )3. A. drink     
( )4. A. French     
( )5. A. at         
( )6. A. a story book
( )7. A. a cock     
( )8. A. read       
( )9. A. when       
( )10. A. hens     
B. a little     
B. door         
B. take         
B. Chinese     
B. for         
B. a picture book
B. a girl       
B. put         
B. before       
B. chicks       
C. more          
C. chair        
C. have          
C. En glish      
C. around                               
C. a history book
C. a child       
C. showed        
C. where        
C. eggs          
题型:选择题

慢性阻塞性肺气肿的发生主要由于()。

A.支气管腺体肥大增生、上皮杯状细胞增多

B.支气管壁因炎症而遭破坏

C.肺组织高度纤维化

D.细支气管壁及肺泡间隔破坏、弹性减弱

E.急、慢性细支气管炎

题型:选择题

患者,女,43岁,已婚。结婚1O年不孕,月经先后无定期,量少,色黯;头晕耳鸣,腰膝酸软,舌淡,苔薄,脉沉细。治疗应首选:()

A.养精种玉汤

B.毓麟珠

C.开郁种玉汤

D.温胞饮

E.育阴汤

题型:选择题

用统计图示某地1980年和1990年3种死因别死亡率,宜选用()

A.复式线图

B.圆图

C.复式直条图

D.直方图

E.单式条图

题型:选择题

下述关于痔的诊断不恰当的是

A.外痔在没有发生血栓以前,一般不会出现剧痛
B.内痔出现静脉破裂方可引起剧痛
C.混合痔具有内、外痔的症状和特征
D.齿状线是区分内、外痔的惟一标志
E.痔是指肛管皮下或直肠下端静脉扩张纡曲而形成的静脉团

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