问题
单项选择题 A型题
苯巴比妥的pKa为7.4，戊巴比妥的pKa为8.1，若将尿液碱化为pH8时，对两药排泄的影响是（）
A．戊巴比妥的排泄加快
B．苯巴比妥的排泄加快
C．两药排泄均加快
D．苯巴比妥的排泄快于戊巴比妥
E．戊巴比妥的排泄快于苯巴比妥
答案
参考答案：D
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苯巴比妥的pKa为7.4，戊巴比妥的pKa为8.1，若将尿液碱化为pH8时，对两药排泄的影响是（）
A．戊巴比妥的排泄加快
B．苯巴比妥的排泄加快
C．两药排泄均加快
D．苯巴比妥的排泄快于戊巴比妥
E．戊巴比妥的排泄快于苯巴比妥
参考答案：D
| 完形填空。 | |||
 One day a poor man was traveling on horseback. At noon, he tied his horse to a tree and then __1__ to eat something. A few minutes later, a rich man came along and tied his horse to the same tree. "Please tie your horse to another tree, "said the poor man. "My horse is wild. It will kill yours. "__2__ the rich man said, "I shall tie my horse as I like! "he tied up his horse and had his lunch nearby. After a moment they heard a terrible __3__, the two horses were fighting. They went up to them, but it was too __4__. The rich man's horse was killed. "See what your horse has done! "cried the rich man. "You will have to __5__ it. "And he brought the poor man before Mr. Know. Mr. Know asked the poor man some questions. But he made no __6__ . At last Mr. Know said, "This man is dumb. He cannot speak. " "Oh," the rich man shouted __7__. "He can! He spoke to me when I met him." "Are you sure?" asked Mr. Know. "What did he __8__?" "He told me not to tie my horse to the same tree because his horse was wild and would kill my horse. " "Oh,"said Mr. Know. "So he __9__ you. Then can you expect to get money __10__ him?" The rich man said nothing and left silently. | |||
| ( ) 1. A. put down ( ) 2. A. So ( ) 3. A. song ( ) 4. A. late ( ) 5. A. pay for ( ) 6. A. idea ( ) 7. A. quietly ( ) 8. A. speak ( ) 9. A. helped ( ) 10. A. for | B. set down B. But B. word B. slow B. look for B. mistake B. angrily B. tell B. thanked B. from | C. sat down C. And C. bell C. hard C. wait for C. money C. happily C. talk C. warned C. with | D. turned down D. Though D. noise D. quick D. care for D. answer D. heavily D. say D. ordered D. about |
