《中国药典》(2000年版)铁盐检查法中,所使用的显色剂是
A. 硫氰酸盐
B. 水杨酸盐
C. 氰化钾
D. 过硫酸铵
E. 盐酸
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Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A, B, C and D. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on the Answer Sheet. For the people who have never traveled across the Atlantic the voyage is a fantasy. But for the people who cross it frequently one crossing of the Atlantic is very much like another, and they do not make the voyage for the (41) of its interest. Most of us are quite happy when we feel (42) to go to bed and pleased when the journey (43) . On the first night this time I felt especially lazy and went to bed (44) earlier than usual. When I (45) my cabin, I was surprised (46) that I was to have a companion during my trip, which made me feel a little unhappy. I had expected (47) but there was a suitcase (48) mine in the opposite comer. I wondered who he could be and what he would be like. Soon afterwards he came in, He was the sort of man you might meet (49) , except that he was wearing (50) good clothes that I made up my mind that we would not (51) whoever he was and did not say (52) . As I had expected, he ’did not talk to me either but went to bed immediately. I suppose I slept for several hours because when I woke up it was already the middle of the night. I felt cold but covered (53) , as well as I could and tries to go back to sleep. Then I realized that a (54) was coming from the window opposite. I thought perhaps I had forgotten (55) the door, so I got up (56) the door but found it already locked from the inside. The cold air was coming from the window opposite, I crossed the room and (57) the moon shone through it on to the other bed (58) . there. It took me a minute or two to (59) the door myself. I realized that my companion (60) through the window into the sea.
A. arrived in
B. reached to
C. arrived to
D. reached at
在氯化物检查中,除去溴化物的干扰,是通过
A. 加入硝酸,加热煮沸
B. 加入30%的过氧化氢溶液,加热煮沸
C. 加热煮沸
D. 加硝酸和30%的过氧化氢溶液
E. 加硝酸和30%的过氧化氢溶液,加热煮沸
检查有毒杂质砷时,有古蔡法,Ag-DDC法,当有大量干扰特别是锑存在时,可采用的方法是
A. 古蔡法
B. 氯化亚锡十二氯化汞(白田道夫法)法
C. Ag-DDC法
D. 古蔡法加SnCl2法
E. Ag-DDC法加SnCl2法
病人,男,51岁,工人,近1个月劳累时感心前区疼痛,诊断为冠心病,心绞痛。病人吸烟30年,每日30支,平日饮食不规律,喜饮白酒和浓茶,化验检查发现甘油三酯增高。责任护土向该病人进行健康教育的内容中,下列哪项不妥( )。
A. 戒烟、限酒,不饮浓茶
B. 胸痛发作时应立即含服1片硝酸甘油
C. 含服l片硝酸甘油后疼痛仍不缓解,半小时后需再服1片
D. 平日随身带硝酸甘油按医嘱服药,定期复查
E. 保持情绪稳定,不可过度劳累